The president's threat to Iran has prompted growing calls from lawmakers for the 25th Amendment to be invoked.

The 25th Amendment provides a complex mechanism for removing a president who is unable to perform his duties because of illness or other incapacity. It was not designed for resolving political ...

Questions about Donald Trump's fitness for office are no longer sitting at the edge of political debate. They are now trading in public view. On Kalshi, a federally regulated prediction market, users ...