** 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)
Wisconsin Gov. Scott Walker (left) and Virginia Gov. Bob McDonnell appear at a news conference at Copland Trucking in Williamsburg, Va., on Friday, July 13, 2012, before the start of the National Governors Association meeting. (AP Photo/Richmond Times-Dispatch, Bob Brown)
Maryland Gov. Martin O'Malley speaks at the Special Committee on Homeland Security and Public Safety panel during the National Governors Association winter meeting in Washington, on Sunday, Feb. 26, 2012. ( AP Photo/Jose Luis Magana)
President Obama told his audience at a gathering of the National Governors Association at the White House Monday that higher education includes a community college degree for a skilled manufacturing job and not just a four-year degree. (Associated Press)
President Obama points to the place where he fired a marshmallow gun while speaking Feb. 27, 2012, at the White House before the National Governors Association. (Associated Press)
President Obama greets guests before speaking to the National Governors Association on Monday, Feb. 27, 2012, in the State Dining Room of the White House in Washington. (AP Photo/Susan Walsh)
Maryland Gov. Martin O'Malley speaks at the Special Committee on Homeland Security and Public Safety panel during the National Governors Association winter meeting in Washington, on Sunday, Feb. 26, 2012. ( AP Photo/Jose Luis Magana)
Gov. Bob McDonnell, Virginia Republican, and Gov. Peter Shumlin, Vermont Democrat, (right) speak with U.S. Secretary of Agriculture Thomas J. Vilsack during a panel discussion at the National Governors Association meeting in Washington on Sunday. (Associated Press)
FILE - In this July 9, 2010 file photograph, Chairman of the Board and CEO of IBM, Samuel J. Palmisano speaks at the annual meeting of the National Governors Association, in Boston. International Business Machines Corp. will announce second-quarter financial results Monday, July 19, 2010, after the market close,(AP Photo/Michael Dwyer, file)
Secretary of Homeland Security Janet Napolitano leaves a private meeting with Arizona Gov. Jan Brewer at the annual meeting of the National Governors Association on Sunday, July 11, 2010, in Boston. (AP Photo/Michael Dwyer)
Arizona Gov. Jan Brewer speaks with a reporter about her meeting with U.S. Secretary of Homeland Security Janet Napolitano at the annual meeting of the National Governors Association on Sunday, July 11, 2010, in Boston. (AP Photo/Michael Dwyer)