This story is published in a content partnership with POLITICO. It was originally reported by Marc Caputo on politico.com on October 3, 2020.Joe Biden is on the campaign trail. Donald Trump is in hospital.In a role reversal, the president who mocked his rival for being weak and hiding “in his basement” is stuck in isolation under doctors’ supervision while Biden jets off to states like Michigan on Friday and Florida on Monday, with the battleground map all to himself.It’s a contrast the Biden…