The Washington Examiner’s Tim Carney probably won’t be getting a call from any of MSNBC’s “NewsNation” bookers about an appearance any time soon. On MSNBC’s “NewsNation” on Friday, host Tamron Hall got into an on-air disagreement with Carney that led to her producers cutting him completely out of an interview segment. The two got off to a rocky start discussing MSNBC’s coverage of a Washington Post story about Mitt Romney’s high school years. But in a follow-up question to Carney, Carney protested the premise of Hall’s entire line of questioning. “[W]hat you’re doing here is a typical media trick,” Carney...