The search for Austin Tice that stumped the U.S. government for 12 years has entered a new, hopeful stage -- but 12 days on since Syrian dictator Bashar al-Assad fled the country, U.S. officials remain without answers on America's longest-held hostage. It is the latest, perhaps most torturous chapter in the quest for Tice, a former U.S. Marine and freelance journalist for McClatchy and other publications who went missing in 2012 while covering the outbreak of war. Images that flooded out from