Sen. Marco Rubio, R-Fla., center, takes a reporter's question as a bipartisan group of leading senators announce that they have reached agreement on the principles of sweeping legislation to rewrite the nation's immigration laws, during a news conference at the Capitol in Washington, Monday, Jan. 28, 2013. From left are Sen. John McCain, R-Ariz., Sen. Charles Schumer, D-N.Y., and Sen. Marco Rubio, R-Fla. The deal covers border security, guest workers and employer verification, as well as a path to citizenship for the 11 million illegal immigrants already in this country.  (AP Photo/J. Scott Applewhite) Photo: J. Scott Applewhite