U.S. Customs and Border Protection (CBP), and U.S. Citizenship and Immigration Services testify before a Senate oversight committee. Minnesota officials, including Attorney General Keith Ellison, are also scheduled to speak.

The resurfaced video of Maine Republican Senator Susan Collins 30 years ago has gained viral attention online.

Texas Sen. John Cornyn, running for his fifth term, is locked in a competitive Republican primary contest. Meanwhile, some Democrats think they can flip the seat, electing a Democrat to represent Texas in the Senate for the first time since 1988.

Rock stars, oil billionaires and tech executives are pumping money into the race that will decide who represents Texas in the U.S. Senate.

The mudslinging in both races is expected to soar, according to party insiders.

Sen. Mike Lee, R-Utah, who is leading the push for the bill in the Senate, has called to abolish the so-called "zombie filibuster" and bring back an older form of the rule that requires objecting members to be physically on the floor and talking to delay legislation.

Senators questioned ICE's methods during testimony by Department of Homeland Security officials about violence during Operation Metro Surge.

The U.S. Senate has long been considered the pinnacle of American politics. Governors, in particular, saw the deliberative and dignified body as a natural last stop when their time in the executive mansion was up, a place to confront the big issues before the nation in momentous debates. Those days are over.