Republican David McCormick is projected to defeat Democratic Sen. Bob Casey in Pennsylvania's U.S. Senate race.

David McCormick at Donald Trump's Pittsburgh rally. (Charly Triballeau/AFP/Getty Images) Republican Senate candidate Dave ...

Republican David McCormick has won Pennsylvania's pivotal U.S. Senate ... It was McCormick's second time running, this time ...

Donald Trump appeared to be running out of steam and memory on Sunday during his fifth rally out of six that he planned over the weekend ahead of Tuesday’s election. The event was held in Kinston, ...

Even the crowd in Kinston seemed confused at a number of Trump’s remarks — mainly drawing applause only when he returned to ...

Donald Trump appeared to be feeling the strain of a busy campaign ... “You have one of the best of all right here: David McCormick,” he told the North Carolina crowd, referring to the Senate candidate ...

Republican David McCormick cut into Democratic Sen. Bob Casey's support in Philadelphia and its populous suburbs and built ...

As of Wednesday, McCormick led Democratic incumbent Senator Bob Casey by about 28,000 votes out of more than 6.9 million ...

Republican Dave McCormick appeared to win a major upset victory in Pennsylvania, beating three-term incumbent Bob Casey, ...

Republican David McCormick defeated three-term Democratic Sen. Bob Casey in Pennsylvania, the Associated Press projected, ...

Pennsylvania's US Senate race between incumbent Democrat Bob Casey and Republican challenger Dave McCormick is going to an automatic recount.

Republicans landed historic victories in Pennsylvania, winning the battleground state’s valuable presidential electoral votes ...