Germany's Rhein-Main Air Base Closing By MATT MOORE, Associated Press Writer 26 minutes ago The runways that once helped feed a blockaded Berlin, bade Elvis farewell after his Army service and provided the first glimpse of freedom for hostages returning from Iran now stand empty. A hub of U.S. military activity for decades, Rhein-Main Air Base is being given back to Germany and its logistical functions taken over by bases at Ramstein and Spangdahlem. Ceremonies set for Monday will mark the handover, which will take until the end of the year. "The mission has moved," said U.S. Air Force Col....