Kamala Harris and Donald Trump are battling for holdout votes on a penultimate weekend of campaigning across US swing states, with Michelle Obama joining the Democrat onstage before the Republican nominee hosts an eyebrow-raising rally in New York City.
With just 10 days left in a bitterly contested presidential race, the rivals converge Saturday on Michigan, one of the three fiercely-contested "Blue Wall" states -- along with Wisconsin and top battleground prize Pennsylvania -- that Democrats see as critical to any path to Election Day victory on November 5.
