Four former senior aides to former President Joe Biden will testify to the House Oversight Committee about Biden’s alleged ...

The US Senate is holding its first hearing exploring what Republicans claim was a cognitive decline by former president Joe ...

Accusations have percolated for months on social media and right-wing websites, as well as among Trump’s allies in Congress.

“His lack of focus makes it seem as though he’s experiencing cognitive decline, that his brain is not well-disciplined, and ...