As vote counting continues this week in Pennsylvania’s tight Senate race, attention is once again shifting toward the largest and most hotly contested tranche of remaining votes that could help Democratic Sen.

Dabe McCormick's staffers say the legal dispute will have no bearing on the outcome of the U.S. Senate race against incumbent Bob Casey,

Pennsylvania's US Senate race between incumbent Democrat Bob Casey and Republican challenger Dave McCormick is going to an automatic recount. We talked to political expert Berwood Yost from Franklin and Marshall College about the recount process and what has happened historically.