Since the first presidential debate there has been much talk about cognitive tests. Here’s what these tests look like and what they can and can’t measure. There has been much talk about the cognitive ...

Nikki Haley, former ambassador to the United Nations, speaks at the Susan B. Anthony Pro-Life America headquarters in Arlington, Va., on April 25. (Al Drago/Bloomberg via Getty Images) Since ...

WASHINGTON — It’s the new chant in Washington politics: “Get a cognitive test!” Political opponents, armchair pundits and even nervous supporters are demanding that President Joe Biden undergo such ...

The 38 Republicans, led by Trump’s former White House doctor, Rep. Ronny Jackson (R-Md.), sent a letter to the president on Tuesday “express[ing] concern with your current cognitive state” and asking ...

President Donald Trump told reporters on Air Force One on Friday evening that as part of his annual physical, he took a cognitive test. “I got every answer right,” he announced. Having spent several ...

Since announcing her candidacy for president in next year's contest, Nikki Haley has repeatedly called for making "mental competency tests" compulsory for politicians over the age of 75. On Monday, ...