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WASHINGTON, DC - FEBRUARY 27: Wisconsin Gov. Scott Walker stands on the North Lawn of the White House before making remarks to the news media after a meeting of the National Governors Association with President Barack Obama February 27, 2012 in Washington, DC. The bipartisan association is finishing its three-day meeting today. Walker, a Republican, will probably face a recall election this year, an effort spearheaded in part by Democrats and pro-union supporters in his state. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - FEBRUARY 27:  Wisconsin Gov. Scott Walker stands on the North Lawn of the White House before making remarks to the news media after a meeting of the National Governors Association with President Barack Obama February 27, 2012 in Washington, DC. The bipartisan association is finishing its three-day meeting today. Walker, a Republican, will probably face a recall election this year, an effort spearheaded in part by Democrats and pro-union supporters in his state.  (Photo by Chip Somodevilla/Getty Images)