WASHINGTON, DC - NOVEMBER 28:  Grover Norquist (R), president of Americans for Tax Reform, listens to Politico Chief White House Correspondent Mike Allen (L) during a Politico Playbook Breakfast November 28, 2012 at the Newseum in Washington, DC. Norquist is known for advocating the "Taxpayer Protection Pledge," which 95 percent of Republicans in Congress signed, promising to oppose all tax increases, but some prominent legislators are now publicly wavering on their commitment to it.  (Photo by Alex Wong/Getty Images)