WASHINGTON (Reuters) – The United States has indications that Russia has started mobilizing some reservists and could be looking to recruit more than 60,000 personnel, a senior U.S. defense official said on Friday. The official, speaking on the condition of anonymity, said it was not clear how successful Russia would be in that effort and where they would go. (Reporting by Idrees Ali and Kanishka Singh, Editing by Chris Reese)