A look at the three candidates: Thune, 63, defeated then-Senate Majority Leader Tom Daschle in 2004 after arguing during the campaign that Daschle had lost his South Dakota roots during his years in ...

More than a week after winning the presidency and the Senate, Republicans have finally completed the so-called trifecta and ...

Thune, of South Dakota, beat out Sens. John Cornyn of Texas and Rick Scott of Florida in a secret ballot election to replace Mitch McConnell.

The mild-mannered South Dakotan and top McConnell ally recently made efforts to patch up his relationship with ...

Donald Trump has won the public embrace of virtually every Republican currently in federal elected office. In private, ...

The new Senate Republican majority is promising to leave the filibuster alone — even if it stands in the way of the Trump ...

Republicans have clinched the White House and Congress, though with a House majority so slim that it might hamper parts of ...

Republican Sen. John Thune of South Dakota was elected new Senate majority leader, replacing Sen. Mitch McConnell of Kentucky ...

Kentucky Sen. Mitch McConnell announced earlier in the year he would step down from his leadership post, and Sen. John Thune ...

Senate Republicans returned to Washington for the first time since they secured the Senate majority to determine who will be the new party leader in the chamber.

Mitch McConnell, 82, is the longest-serving Senate party leader ... McConnell will also be remembered for how the Senate ...

Two years ago, Democrats nearly toppled the filibuster to pass voting rights legislation. But with an incoming Republican ...