A presidential election unlike any other in US history enters its last full day on Monday with Donald Trump, Kamala Harris and their campaigns scrambling to get supporters to the polls in a contest each portrays as an existential moment for America.Even after the astonishing blur of events the last few months, the electorate is divided down the middle, both nationally and in the seven battleground states expected to decide the winner on Tuesday, although the closeness of the contest means it could take days for a winner to emerge.For all the latest headlines, follow our Google News channel online or via the app.Trump, a 78-year-old Republican, survived two assassination attempts, one by millimeters, just weeks after a jury in New York - the city whose tabloids first elevated him to national fame and notoriety - made him the first former US president to be convicted of a felony.Harris, 60, was catapulted to the top of the Democratic ticket in July - giving her a chance to become the