Republicans seem ceaselessly enamored of litmus tests, but the newest one — Do you believe President Barack Obama loves America? — makes birthers seem witty. The question arose after former New York City Mayor Rudy Giuliani told a private audience that he doesn’t think Obama loves America. He further noted that Obama wasn’t raised like him or members of the audience (conservative businesspeople and assorted media), which, though probably true (Obama grew up in Hawaii and for a time in Indonesia), wasn’t really the point.