Senate Foreign Relations Committee Chairman Sen. Bob Corker, R-Tenn., center, and the committee's ranking member Sen. Ben Cardin, D-Md., right, were all smiles April 14 after the committee passed an agreement on oversight of Iran negotiations. But the bill has run into some outspoken opponents in the full Senate. Andrew Harnik/AP hide caption
Senate Minority Leader Harry Reid, D-Nev., (left) and Majority Leader Mitch McConnell, R-Ky., at a ceremony last month at the U.S. Capitol. Chip Somodevilla/Getty Images hide caption
Senate Majority Leader Harry Reid, D-Nev., looks at a countdown-to-shutdown clock during a news conference in the Capitol on Thursday. J. Scott Applewhite/AP hide caption
President Obama and House Speaker John Boehner at the White House on Nov. 16. Administration officials say the two men met Sunday to discuss the "fiscal cliff." Carolyn Kaster/AP hide caption
Come on back, he says. Mandel Ngan /AFP/Getty Images hide caption