Google is interviewing candidates for a corporate communications chief, and word is one top recruit is Dan Senor, former defense department staffer who advised the U.S. presidential envoy in Iraq. The Google vacancy came earlier this year when longtime marketing chief Cindy McCaffrey left the company after six years in the post. Senor, who could not be reached for comment, is currently a Fox news analyst on Iraq, and according to former colleagues, he's shopping for a new gig. "He's a fairly hot commodity," said a former colleague who asked to remain anonymous but who added that most of the...