The two Senate candidates have regularly appeared on the stump with Harris and Trump in the battleground state, while ...

Dave McCormick, the Republican challenger trying to flip the U.S. Senate seat in swing-state Pennsylvania, said he’ll press ...

The Republican challenger trying to flip the U.S. Senate seat in swing-state Pennsylvania says he’ll press for U.S. military ...

The Republican challenger trying to flip the U.S. Senate seat in swing-state Pennsylvania said he’ll press for U.S. military ...

David McCormick, who is challenging third-term Democratic Sen. Bob Casey of Pennsylvania, is making the idea part of his plan ...

David McCormick, who is challenging third-term Democratic Sen. Bob Casey of Pennsylvania, said he'll press for U.S. military action in Mexico to target fentanyl trafficking networks ...

The first debate between the candidates for U.S. Senate in Pennsylvania is set for October 3 in Harrisburg. Incumbent U.S. Senator Bob Casey and Republican Dave McCormick are locked ...

The Republican envisions using the U.S. military’s drones and special operations teams in Mexico to destroy fentanyl ...

With about one month before the election, incumbent Democratic Sen. Bob Casey faces GOP businessman Dave McCormick Thursday ...

With about one month before the election, incumbent Democratic Sen. Bob Casey faces GOP businessman Dave McCormick Thursday ...

Pennsylvania's Democratic Sen. Bob Casey and Republican Dave McCormick speak with NBC News' Julie Tsirkin about why they differ from each other and how they are striking a balance with the top of the ...