By SUSAN HAIGH 2010-08-22T01:34:24Z HARTFORD, Conn. (AP) -- Richard Blumenthal's words are haunting him again. Already forced to apologize for saying he had served "in" Vietnam in the Marine Reserve rather than stateside, the state attorney general's campaign for U.S. Senate is now being challenged to explain his assertion that he had "never taken PAC money" and has "rejected all special interest money."...