Judging by liberal reaction to Benjamin Netanyahu's speech to Congress on Tuesday, the Israeli Prime minister scored a direct hit at Obama's Arab-first policy. At least amongst the Arab-first crowd that Obama supports. "Given how much buildup the speech received," writes Matthew Duss in Slate, "and how much of America’s time has been wasted with the controversy surrounding it—it’s simply amazing that Netanyahu didn’t use the chance to offer any new or interesting ideas."And that's the best Duss has to offer in the Slate piece titled Netanyahu Just Did Obama a Big Favor.He never really gets to the big favor...