With the implosion of the Scott Walker campaign that culminated in his withdrawal from the race last week, we’re now in the autopsy stage. After all, Walker was at one time seen as the frontrunner in the race and the fairly obvious choice as a fusion candidate between the conservative grassroots and the business community/GOP establishment. Walker had all the ingredients the Republican Party usually looks for – a fairly unassailably conservative record, and in his case pretty aggressively so, a history of fiscally conservative acts, not just deeds, a life story suggestive of economic and social mobility to show...