Senate Armed Services Committee Chairman John McCain (R-AZ) and Sen. Elizabeth Warren (D-MA) banded together today over concerns about potential conflicts of interest for John Rood, a Lockheed Martin executive nominated to be under secretary of defense for policy. During Rood's confirmation hearing, McCain accused him of "ducking" Warren's questions about how he would recuse himself from both decisions and policy discussions involving Lockheed. "I suggest you answer the question, or you're going to have trouble getting through this committee,"...