** FILE ** New Jersey Gov. Chris Christie sits next to first lady Michelle Obama as President Barack Obama welcomed the governors of the National Governors Association to the 2013 Governors’ Dinner at the White House in Washington, Sunday, Feb. 24, 2013. (AP Photo/Susan Walsh)
** FILE ** New Jersey Gov. Chris Christie sits next to first lady Michelle Obama as President Barack Obama welcomed the governors of the National Governors Association to the 2013 Governors’ Dinner at the White House in Washington, Sunday, Feb. 24, 2013. (AP Photo/Susan Walsh)
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)
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)
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)
President Obama addresses the National Governors Association in the State Dining Room of the White House in Washington on Feb. 25, 2013. (Associated Press)
President Obama addresses the National Governors Association in the State Dining Room of the White House in Washington on Feb. 25, 2013. (Associated Press)
New Jersey Gov. Chris Christie sits next to first lady Michelle Obama as President Barack Obama welcomed the governors of the National Governors Association to the 2013 Governors’ Dinner at the White House in Washington, Sunday, Feb. 24, 2013. (AP Photo/Susan Walsh)
** FILE ** New Jersey Gov. Chris Christie sits next to first lady Michelle Obama as President Barack Obama welcomed the governors of the National Governors Association to the 2013 Governors’ Dinner at the White House in Washington, Sunday, Feb. 24, 2013. (AP Photo/Susan Walsh)
