Is there any better metaphor for contemporary conservatism than Mitt Romney complaining that he would have had a chance if only he had been born Mexican? Yesterday, Mother Jones swept back to relevance by releasing a series of surreptitious videos of the Republican nominee speaking at a fundraiser in Boca Raton, where he lamented that the 47% of Americans who do not pay federal income tax will vote for Barack Obama no matter what. “My job is is not to worry about those people,” Romney said. “I’ll never convince them they should take personal responsibility and care for their lives.” I mean, hell—if the wailing of their hungry children doesn’t…