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Cousin marriage is probably fine in most cases

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IT JUST SEEMED so wrong. In January Nick Wilson, a Kentucky state legislator who achieved reality-TV fame for winning “Survivor” in 2018, created a frenzy on social media when he sponsored a bill that removed “first cousin” from the list of incestuous family relations. Mr Wilson said that the omission was a mistake and the bill was quickly withdrawn. The new draft put “first cousin” back on the list of criminal sexual relations, alongside parent, sibling, grandchild and other blood relatives.

Since much of Kentucky is covered by the Appalachian mountains, a region stereotyped for encouraging incestuous sexual behaviour, jokes quickly spread online. The reactions on X (formerly known as Twitter) ranged from humour to disgust to fear for the resulting offspring. Only a few pointed out that in many states it is legal to have sexual relations and marry one’s first cousin. Is it really OK to kiss your cousin?

Geneticists mostly say that it is, with some caveats. In 2021 the National Society of Genetic Counsellors (NSGC) published updated guidelines for consanguineous couples (people descended from the same ancestor) and their offspring. The risk to offspring is greater, but the increase is quite small. According to the Centres for Disease Control and Prevention about 3% of all babies born in America have birth defects. The NSGC guidelines state that for “couples with no known genetic disorders in the family, there is an additional 1.7% to 2.8% risk for significant birth defects.”

Many other couples face far higher risks of genetic complications for their offspring, and those unions are not banned. Classic Mendelian genetics (the kind taught in biology class) predicts that if two people each have a recessive gene for certain disorders, such as cystic fibrosis or sickle-cell anaemia, there is a 25% chance their child will be born with that disorder. Yet those marriages are allowed. “The law against first-cousin marriage is a major form of discrimination,” says Robin Bennett of the University of Washington’s department of medicine, who was a co-author of the NSGC guidelines. For offspring “the risks are very low and not much different than for any other couple,” she says.

Throughout Western history attitudes about consanguineous marriages have varied. The Bible does not directly ban sexual relations between cousins—how else would all of mankind have descended from Adam and Eve? The Roman Catholic Church did later prohibit first cousins from marrying, though exceptions were made for a fee. Martin Luther, the father of Protestantism, objected to such payments, so many Protestant denominations allowed these marriages free of charge. As is clear from novels such as “Mansfield Park” and “Wuthering Heights”, the people of Georgian and Victorian England were not too squeamish about such relations. Queen Victoria was married to her first cousin, as were both Albert Einstein and Edgar Allan Poe.

In some cultures, marriage between close family members is encouraged today. It secures wealth and reinforces social connections within the family. It might even make marriages easier, on the optimistic assumption that the in-laws are more likely to get along. In some areas of the world (Pakistan, the Middle East), nearly half of all marriages are between close relations. No European countries ban marriages between first cousins (though Norwegian policymakers recently debated doing so).

There are limits to the amount of intermarriage that is healthy. Charles Darwin, the father of evolutionary biology, who married his first cousin in 1839, was reportedly conflicted about his own arrangement. The Darwins had ten children, but three of them died during childhood and three of his surviving children never had any offspring with their spouses. Some historians surmise that the children suffered from genetic abnormalities due to their parents being closely related—the families of Darwin and his wife had a long history of intermarriage.

Yet despite the fairly low genetic risk for most couples, the “ick” factor prevails in Western culture. The family dynamics can be difficult to explain to others. Many consanguineous couples choose to keep quiet, says Ms Bennett. For this reason it is difficult to know how many of these couples exist in America.

Despite the fact that first-cousin marriages are pretty low-risk for offspring, 25 states do not allow first cousins to marry. In six states, it is legal to marry a first cousin, but with caveats (if one person is unable to reproduce or elderly, for example). However, if Mr Wilson’s experience in Kentucky is indicative of the public’s reaction, it will be a long time before such laws will be stricken from the books.

Stay on top of American politics with The US in brief, our daily newsletter with fast analysis of the most important electoral stories, and Checks and Balance, a weekly note from our Lexington columnist that examines the state of American democracy and the issues that matter to voters.

Economics

UK Has a New Prime Minister Without a General Election

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UK Has a New Prime Minister Without a General Election

On July 20, Andy Burnham has been chosen to be the next Prime Minister in UK. The appointment of a new Prime Minister in the United Kingdom often raises questions from people outside the country, especially when no nationwide election has taken place. Many wonder how a new national leader can assume office without voters casting ballots. The answer lies in the UK’s parliamentary system, where the Prime Minister is not directly elected by the public but is instead chosen based on who commands the confidence of the House of Commons.

How the UK Selects Its Prime Minister

Unlike presidential systems where citizens vote directly for the head of government, the United Kingdom elects Members of Parliament (MPs) during a general election. The political party that secures a majority of seats in the House of Commons usually forms the government, and that party selects its own leader to serve as Prime Minister.

If the leader resigns, becomes unable to continue, or is replaced by their party, the governing party can choose a new leader without triggering a general election. As long as the new leader is able to maintain the confidence of Parliament, they can immediately become Prime Minister after being formally appointed by the monarch.

Why No Election Was Required

A general election is not automatically required every time the office of Prime Minister changes hands. The governing party retains its parliamentary majority because voters elected MPs rather than an individual Prime Minister. If the ruling party chooses a new leader through its internal leadership process, the government continues to operate without interruption.

This constitutional arrangement provides stability and allows the government to continue functioning during periods of political transition. It also avoids the expense and disruption of holding a nationwide election every time party leadership changes.

The King’s Constitutional Role

After a governing party elects a new leader, the monarch invites that individual to form a government. This constitutional step is largely ceremonial and follows long-established conventions. The King appoints the person most likely to command a majority in the House of Commons, ensuring continuity of government.

Although the monarch formally appoints the Prime Minister, political power rests with Parliament and the elected representatives of the British people.

Could an Election Still Happen?

Yes. A newly appointed Prime Minister has the authority to request a general election if they believe it is politically advantageous or if they seek a stronger public mandate. Parliament can also reach a point where a government loses the confidence of the House of Commons, potentially leading to an election or the formation of a new government.

In many cases, however, a new Prime Minister continues governing until the next scheduled general election.

What This Means for the UK

The UK’s parliamentary democracy is designed to ensure government continuity while respecting the results of the most recent general election. Leadership changes within the governing party do not automatically alter the composition of Parliament, which is why a new Prime Minister can take office without another nationwide vote.

Understanding this process helps explain why political transitions in the United Kingdom can appear different from those in countries with presidential systems. While the Prime Minister may change, the democratic mandate of Parliament remains in place until voters elect a new House of Commons at the next general election.

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Economics

Global Grid Upgrades Reshape Macro Economics

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Global grid upgrades reshape macro economics

On July 21, 2026, global economic analysis shifts focus toward a defining structural macroeconomic trend: the massive expansion of public and private capital deployment into high-capacity electrical grid infrastructure. As industrial electrification, automated data center hubs, and renewable energy integration accelerate worldwide, sovereign governments and institutional investors are facing a monumental economic challenge. Updating legacy power grids to meet skyrocketing demand has emerged as a primary driver of long-term capital expenditures and industrial productivity across both developed and emerging market economies.

According to international economic policy updates released this week, grid infrastructure investments are projected to exceed multi-trillion-dollar thresholds over the coming decade. Economic planners caution that without modernized, high-voltage transmission networks, regional manufacturing sectors face severe energy bottlenecks, localized power price volatility, and operational constraints. Consequently, infrastructure spending is rapidly transitioning from passive utility maintenance into a vital component of national economic competitiveness and industrial policy.

The macroeconomic ripple effects of this capital deployment are being felt across global commodity markets and labor networks. High demand for structural industrial inputs—such as copper, aluminum, specialized electrical steel, and high-capacity transformers—has created sustained pricing support for critical material producers. Simultaneously, the specialized technical labor required to manufacture and deploy modern grid hardware is driving wage growth in industrial sectors, adding a complex new layer to central bank disinflation trajectories.

For global policymakers and strategic investors, the economics of energy grid modernization represent a double-edged sword. While massive infrastructure investment boosts short-term gross domestic product (GDP) and strengthens domestic industrial foundations, it requires disciplined fiscal allocation to prevent inflationary crowding-out of private capital. Countries that efficiently streamline grid infrastructure permitting and mobilize private investment will secure lower long-term energy costs, attracting high-tech manufacturing and reinforcing sustainable economic growth.

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Economics

Global Trade Realignment and Supply Chains in 2026

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Global Trade Realignment and Supply Chains in 2026

The international trade architecture entering the second half of 2026 is undergoing a profound structural pivot. As major sovereign economic blocs adjust to the long-term impact of unilateral tariffs and escalating regional subsidies, traditional globalized supply chains are being rapidly replaced by bilateral trade corridors and regional alliance networks. Data released in late July 2026 highlights a significant divergence: while cross-continental freight volumes between non-aligned partners have cooled, intra-regional trade throughout North America, Southeast Asia, and Eastern Europe has surged to record levels. This shift reflects a broader macroeconomic strategy wherein multinational corporations prioritize geopolitical resilience over pure cost minimization.

The primary economic catalyst behind this regionalization is the proliferation of sector-specific tariffs targeting critical industries, notably battery components, clean energy technology, and advanced semiconductor hardware. In response, global manufacturers have adopted multi-tier sourcing models that distribute production across intermediate partner nations before final assembly. While this strategy successfully bypasses primary import duties, it adds structural layers of logistical complexity and administrative oversight. Economists note that while total output remains robust, aggregate production costs have drifted upward, contributing to persistent baseline inflation across major consumer markets.

Simultaneously, currency settlement patterns within these regional blocs are experiencing a notable transformation. Sovereign central banks and commercial institutions are increasingly utilizing localized currency swap lines and digital clearing mechanisms to settle cross-border trade transactions. This transition reduces direct exposure to foreign exchange volatility and mitigates third-party liquidity constraints, further solidifying regional economic cohesion. However, for developing economies situated outside these primary trading alliances, the tightening of international trade networks presents severe challenges, restricting access to key export markets and foreign direct investment.

For corporate strategists and policy analysts navigating late 2026, success requires a thorough understanding of these emerging trade corridors. Organizations must conduct regular risk assessments of their multi-tier supplier networks, model tariff sensitivities under shifting geopolitical scenarios, and invest in real-time supply chain telemetry. As regional economic blocs strengthen their regulatory borders, supply chain agility and compliance fortitude will distinguish market leaders from vulnerable enterprises in the evolving global economy.

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