Democratic presidential contenders are facing a litmus test over questions about former President Biden's mental acuity during his last year in the White House.

US President Donald Trump has sparked fears over his health after appearing to nod off in meetings during his Saudi state ...

U.S. Senator Chris Murphy (D-CT) is accusing Secretary of Health and Human Services Robert F. Kennedy Jr. of lying during his ...

If you’re looking at a list of America’s top 10 experts on Russia, chances are, Andrew S. Weiss will be on that list. His inclusion is a consequence of his significant work in both government and the ...