Police arrested Vance Boelter, 57, late Sunday on suspicion of dressing up like a police officer and fatally shooting state Rep. Melissa Hortman, 55, and her husband Mark, 58, early Saturday at their home in Brooklyn Park. He is also accused of shooting Democratic state Sen. John Hoffman and his wife on Saturday.

Political scientist John Pitney called the independent Arizona senator's amendment to the omnibus package "a Christmas present in the form of an escape hatch."

Jon Stewart is disgusted by Republican Senator Mike Lee, not only for his recent social media posts but for something Lee once said to him in person. “I’ve met Senator Lee,“ Stewart revealed in his Monday monologue,

Utah Sen. Mike Lee — the party's favorite product of the caucus system since his 2010 upset — took the stage to endorse his longtime friend, Rob Axson, for reelection as GOP chairman.