Watch the vice presidential debate online: Thursday, October 12 at 9pm (ET)

Begins at 9 p.m. ET.

Livestream the vice presidential debate at Centre College between Vice President Joe Biden and Republican VP challenger Paul Ryan. The event will be moderated by ABC News and Washington Week panelist Martha Raddatz.

Plus, watch Martha Raddatz discuss 9/11 and the death of Osama Bin Laden in Washington Week's "The Backstory"

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Watch our Webcast Extra where we preview the VP debate