Paul Johnson, dressed as George Washington, walks past a barricade at Centre College, site of the vice presidential debate in Danville, Ky., Oct. 11, 2012. Vice President Joe Biden will face Republican vice presidential candidate Paul Ryan on Thursday night.

Shadows cast across the floor inside the debate hall ahead of the vice presidential debate at Centre College in Danville, Ky., Oct. 11.

Students walk past a political mural near Centre College in downtown Danville, Ky., Oct. 11.

Abraham Lincoln impersonator Larry Elliott, of Louisville, Ky., stands next to cutouts of Republican presidential candidate Mitt Romney, left, and President Barack Obama outside the Norton Center on the Centre College campus before the vice presidential debate in Danville, Ky., Oct. 11.

A poster advertising the vice presidential debate between Republican vice presidential candidate Paul Ryan and Vice President Joe Biden is posted inside the Centre College in Danville, Ky., Oct. 11.