After Mitt Romney announced his choice for vice president, the consensus among Democrats is all they have to do to win in November is to mention one word: Medicare. ....First, those Jewish voters who are most vulnerable to Mediscare tactics were already going to vote for Obama. If you are the sort of person who truly believes the Republicans are going to throw Bubbe over the cliff, you probably were never sufficiently concerned about Obama's pressure on Israel and unwillingness to confront Iran to cross over to the GOP. The minority of American Jews who consider Israel's security to be...