Sen. Frank Lautenberg, D-N.J. walks to the Senate floor from a Democratic caucus meeting on Capitol Hill in Washington, Thursday, Feb. 14, 2013. Lautenberg, 89, has decided not to seek

 

              Sen. Frank Lautenberg, D-N.J. walks to the Senate floor from a Democratic caucus meeting on Capitol Hill in Washington, Thursday, Feb. 14, 2013. Lautenberg, 89, has decided not to seek
Sen. Frank Lautenberg, D-N.J. walks to the Senate floor from a Democratic caucus meeting on Capitol Hill in Washington, Thursday, Feb. 14, 2013. Lautenberg, 89, has decided not to seek re-election on order to clear the way for Democratic Newark Mayor Cory Booker to assume the spot. (AP Photo/J. Scott Applewhite)