Jeb Bush sucks. Why beat around the ... bush? It’s reality. Juan Ellis Bush is stumbling around the country, and the more Republicans he meets, the further he drops in the polls. In Oklahoma over the weekend, he finished sixth — sixth! — in a straw poll. In Iowa, he’s been running seventh. Even in New Hampshire, he’s slip-sliding away, tied for third in the most recent Bloomberg poll. “I am a Bush and I am proud of it,” he blurted out last week in Portsmouth. “I mean, what am I supposed to say?” How about, “I quit.” Or, “I’m...