2020 in 120 seconds: Trump defends, Biden attacks with 7 days left

Sixty-three million people have already cast ballots with just one week to go until the final day of voting in the United States presidential election, and Donald Trump and Joe Biden are crisscrossing the country in a final blitz to win the backing of the remaining undecided voters and turn out their supporters. The polling suggests the race is tightening a little. Here's what you might have missed over the past seven days.