Eeven the ditziest blondes in Hollywood feel the need to pipe up with their opinions about presidential elections. On her cheesy Web site, Melanie Griffith opines: "I am a full-blown Democrat. I always have been. I did visit President George Bush Sr. [sic] and his wife when they were in the White House. However, I feel their son is in there without truly having won the election. I think he is a C-minus president. Don't you have to have straight A's to be valedictorian of a college class? " "How is it possible that we, the great country of America,...