I received hundreds of questions about tonight's debate. Usually vice presidential debates don't make a big difference in the race, but this one could be the exception.
Tune into ABC News at 9pm ET for our special debate coverage.
Pat Bernado asked "Will I see a 'You're no Jack Kennedy' this time again, George?"
And Arthur Logan tweeted to ask "Does the FLOTUS get a turn to co-host?" referring to Ann Romney's guest appearance on GMA yesterday.
For the answers to both of those questions, including what Biden and Ryan need to do to win, take a look here:
Diane Sawyer and I hope to see you at 9pm tonight for our debate coverage, and tune into "This Week" on Sunday.