Obama accused me of betrayal for saying Biden wasn't mentally fit to be President and should take a cognitive test, ex-White House doctor and GOP Rep. Ronny Jackson claims

The Daily Mail reports:

Barack Obama sent his former White House physician a 'scathing' email accusing him of betrayal when he suggested President Joe Biden may not be mentally fit for office, Republican Rep. Ronny Jackson of Texas revealed.

This is a very sensitve subject for members of the Democratic party.