WASHINGTON, DC - MARCH 19: U.S. Sen. Marco Rubio (R-FL) heads to the weekly Senate Republicans policy luncheon on March 19, 2013 in Washington, DC. The Senate is expected to pass a revised continuing resolution and send their edits back to the House in order to prevent a government shutdown next week, but any action in the Senate may be delayed until later in the week. (Photo by T.J. Kirkpatrick/Getty Images)