Obama adds seven superdelegates, closing on clinton (update3)

By Christopher Stern May 9 (Bloomberg) -- Democratic presidential candidate Barack Obama picked up seven more superdelegates, including one who switched from Hillary Clinton, and has almost drawn even with his rival in endorsements from the party ...Obama narrows Clinton lead in superdelegates CNN4 more superdelegates back Obama Los Angeles TimesABC News - The Associated Press - Voice of America - Houston Chronicle