New Jersey Gov. Chris Christie (right) and Homeland Security Secretary Janet Napolitano walk in the State Dining Room of the White House in Washington on Feb. 25, 2013, before President Obama addressed the National Governors Association. (Associated Press)

Photo by: Charles Dharapak

New Jersey Gov. Chris Christie (right) and Homeland Security Secretary Janet Napolitano walk in the State Dining Room of the White House in Washington on Feb. 25, 2013, before President Obama addressed the National Governors Association. (Associated Press)