Former Senate Republican Leader Mitch McConnell (Ky.) on Monday called Sen. Thom Tillis’s (R-N.C.) surprise announcement that he will not run for reelection a “big setback” for Senate Republicans, ...

Reaction poured in Sunday after North Carolina's senior senator, Thom Tillis, announced that he would not run for reelection. Tillis released a statement on Sunday, saying in part: "In Washington over ...