Pennsylvania Democrats want to count undated and improperly dated mail-in ballots as part of the McCormick-Casey recount.

With 19 electoral votes, Pennsylvania could be the key to winning the White House. Voters will also decide one U.S. Senate seat, attorney general, auditor general and treasurer.

NBC News hasn't called the Senate race in Pennsylvania, where Democrats are holding out hope even as Republican Dave McCormick holds a narrow lead.

The race for U.S. Senate in Pennsylvania remains officially uncalled, despite several media outlets claiming an upset win for republican David McCormick.

As initial provisional vote reviews are completed around the state, Republican Dave McCormick’s hold on Pennsylvania’s U.S. Senate seat is, for lack of a better term, holding up. McCormick, already in Washington Tuesday for an orientation session for newly-elected senators,

From Tuesday to Thursday this week, incoming senators will be shown the ins and outs of their new jobs. But despite Republican businessman Dave McCormick celebrating a shake-up victory for Senate in Pennsylvania,

Sen. Bob Casey’s refusal to concede the election is damaging the citizens of Pennsylvania. Republican Dave McCormick defeated the three-term incumbent in an upset one week ago. Casey initially refused to concede the election until the commonwealth hand-counted all the Nov.