In his Saturday Playbook email, Politico’s Mike Allen defended GOP establishment Senators like Minority Leader Mitch McConnell, Lindsey Graham, Lamar Alexander and others facing Tea Party challengers as up against nothing more than an “expensive headache” they will defeat. Allen, a denizen of D.C. political establishment, highlighted two news stories to make his point: One from the New York Times, and the other from the Associated Press. The New York Times’ Jennifer Steinhauser reported with Jonathan Weisman on the front page of the Gray Lady on Saturday that “[d]espite their careful efforts, some of the best-known and most influential Republicans...