Two weeks ago I wrote that the GOP establishment fears Ted Cruz more than Donald Trump. What has transpired over the last two weeks has proven that hypothesis. Here’s what I wrote then: Cruz is the larger threat to establishment because, if he wins, they lose all the levers of power. McConnell and his allies would be tossed out of organizations such as the Republican National Committee, National Republican Senatorial Committee, National Republican Congressional Committee, etc... If history is any guide, the sitting president of a political party has a large leeway in choosing those in key power positions. That...