Younger voters favor Democrats by a wide margin, but the Republican Party is trying to change that with the RNC's new youth advisory council and other efforts to reach young voters where they are.

This is the last, best chance for both candidates to make their arguments to a broad audience of the American public for why they should be president — and there's a lot on the line.

It's the showdown many have been waiting for — the debate between Vice President Pence and Sen. Kamala Harris. Pence needs to right the ship, while Harris has to deflect charges of socialism.

Asked to disavow white supremacists, President Trump addressed the Proud Boys directly, telling them to "stand back and stand by." He did not expand on what he meant.