Josh Mandel, the Republican candidate for the Ohio Senate race, speaks to a crowd on Tuesday, November 6, 2012, at the Renaissance Hotel in Columbus, Ohio. (Joel Prince for the Washington Post via Getty Images) It seems that (((dog-whistles))) are just too subtle for modern politics. Ohio GOP Senate candidate Mark Pukita defended his blatantly antisemitic ad attacking Republican primary front-runner Josh Mandel’s Jewish faith during a Thursday candidate forum. “Are we seriously supposed to believe the most Christian-values Senate candidate is Jewish?” asks an actor in a radio ad Pukita has recently been airing. “I am so sick of...