White House calls draft immigration plan a backup

In this Jan. 28, 2013, photo, Sen. Marco Rubio, R-Fla., right, and Sen. Charles Schumer, D-N.Y., left, join a bipartisan group of leading senators to announce that they have reached agreement on the principles of sweeping legislation to rewrite the nation's immigration laws at the Capitol in Washington. (AP Photo/J. Scott Applewhite)