His divisive attacks hurt his cause As his sputtering presidential campaign remains on political life support, the typically polite and demure Jeb Bush is desperately lashing out at GOP frontrunner Donald Trump and others in the Republican field. During the campaign Bush has called Trump a “buffoon,†“clown,†“jerk,†“bully,†a “chaos candidate†with “crazy†ideas about foreign policy, and not “a serious candidate.†Establishment Republicans like Bush are savaging Trump with a ferocity they rarely deploy against Democrats. These increasingly vicious attacks are coming from the Bush family scion because this is his last chance in the 2016 primary...