Republican presidential candidates (Left to Right) former Pennsylvania Senator Rick Santorum, former House Speaker Newt Gingrich, former Massachusetts Governor Mitt Romney and Rep. Ron Paul (R-Tex) stand for the singing of the National Anthem as they arrive on stage for the Florida Republican Presidential Debate at the University of North Florida in Jacksonville, Fla., Thursday, January 26, 2012. This is the second and final debate before the Florida Republican primary on Tuesday, January 31, 2012. (Rod Lamkey Jr/ The Washington Times)

Photo by: ROD LAMKEY JR

Republican presidential candidates (Left to Right) former Pennsylvania Senator Rick Santorum, former House Speaker Newt Gingrich, former Massachusetts Governor Mitt Romney and Rep. Ron Paul (R-Tex) stand for the singing of the National Anthem as they arrive on stage for the Florida Republican Presidential Debate at the University of North Florida in Jacksonville, Fla., Thursday, January 26, 2012. This is the second and final debate before the Florida Republican primary on Tuesday, January 31, 2012. (Rod Lamkey Jr/ The Washington Times)