Joe Biden has been mocked as a "demented clown" after labelling Donald Trump as the "sitting president" in his latest embarrassing gaffe.
The latest blunder came during a speech at the South Carolina State Fairgrounds on Monday.
Joe Biden has been mocked as a "demented clown" after labelling Donald Trump as the "sitting president" in his latest embarrassing gaffe.
The latest blunder came during a speech at the South Carolina State Fairgrounds on Monday.