WASHINGTON – The U.S. military is bungling its outreach to the Muslim world and squandering good will by failing to live up to its promises, the nation's highest-ranking military officer wrote Friday. Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, said there is too much emphasis on telling the U.S. story and not enough on building trust and credibility. "We hurt ourselves and the message we are trying to send when it appears we are doing something merely for the credit," Mullen wrote in an essay published in a military journal. "We hurt ourselves more when our words...