Secretary of Defense Leon Panetta is in Vietnam for talks to strengthen military ties between Hanoi and Washington. Space shuttle Enterprise passes New York landmarks on its way to its new home - the Intrepid Sea, Air & Space Museum on the west side of Manhattan. Charged with killing unarmed black teenager, neighborhood watchman George Zimmerman is back in a Florida jail after court revokes his bail. Hundreds gather for the annual Latino Food Festival in Bakersfield, California. Teen vampire movie “Twilight” receives the top award at the 2012 MTV Movie Awards in Los Angeles. Rhode Island’s Olivia Culpo is named Miss USA and will compete in December in Miss Universe contest.