Is Trump OK? Unhinged reaction to rise of Harris worries supporters

Rambling speeches peppered with insults, narcissism and an obsession with crowd size have raised questions about the former president's fitness for office

Even some of Donald Trump's supporters are now asking the question that was the undoing of Joe Biden: is the former president fit for office?

But while Biden's run for re-election was largely sunk by a single disastrous televised debate before a national audience, Trump is ramping up doubts with each chaotic, disjointed speech as he campaigns around the country.