Incumbent Senator Bob Casey (D-PA) and challenger Tom Smith (R) met in a debate Friday in Philadelphia, Pennsylvania. This debate is courtesy WPVI-TV.
Sen. Casey has been serving in the U.S. Senate since 2006. Tom Smith previously worked as a coal mining executive before running for U.S. Senate. He is also a former Democrat.
This debate is co-hosted by the League of Women Voters. The video is courtesy Philadelphia's WPVI-TV.