Scrutiny grows over Trump competence – but can an unfit president be removed?

Impeachment and 25th amendment offer routes for removal - but experts say system is set up to protect the president

Donald Trump looked out across the White House ballroom at his audience of wealthy donors and business figures - people who had given millions of dollars to his extravagant plan to build a vast ballroom attached to the building's East Wing.

The president, 79, told the crowd he had enjoyed a really historic trip" to the Middle East, and indulged in some of his familiar patter: saying his tariffs were successful, and claiming that under Joe Biden, countries were literally emptying out insane asylums into our country".