Conservative donor David Koch in a 2013 file photo. The political network he and his brother, Charles, have created is not backing Donald Trump's presidential bid this year.
Phelan M. Ebenhack/AP
Filipino boxing great Manny Pacquiao holds his Certificate of Canvass as he is proclaimed the seventh senator by Commissioner Christopher Lim (right) in a ceremony Thursday.
Republican Ted Cruz makes a campaign stop at the Bravo Cafe Monday in Osceola, Ind. The Hoosier State might be Cruz's last chance to stop Donald Trump from getting the nomination.
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Senate Majority Leader Mitch McConnell brought a measure up for a vote Thursday that funded the government but defunded Planned Parenthood. Democrats banded together to block it.
U.S. Senate Majority Leader Sen. Harry Reid, shown walking towards the Senate chamber on December 16, pushed through a final batch of judicial nominees this month, before the Republican-dominated Senate takes over in the new year.
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