Two weeks of protests in Wisconsin haven't done a lot to soften Scott Walker: The embattled governor tells Meet the Press today that he's not backing down on his opposition to collective bargaining, reports Politico. "If we do not get these changes and the Senate Democrats don't come back," Walker said, "we're going to be forced to do massive layoffs." Walker had to skip the National Governor's Meeting, Politico notes, but tuned in via teleconference. Elsewhere on the Sunday dial: