As the presidential election gets closer, the number two men on the tickets are ready to rumble.
Last week it was Mitt Romney versus President Obama in the campaign's first debate... tonight Vice President Joe Biden takes on congressman Paul Ryan at Centre College in Kentucky.
It will be the only debate between the two, and will cover both foreign and domestic issues.
ABC correspondent Martha Raddatz is the moderator.
Of course, you can watch the debate right here on NBC 5, coverage starts at 6 P.M.