The Democratic Senate field in Tennessee is now down to one. Rep. Bob Clement announced Monday that he will run for the U.S. Senate seat being vacated with the retirement of Republican Fred Thompson. Another Democrat, Rep. Harold Ford, Jr., had considered running for the seat, but announced Monday he is backing Clement for the nomination. A published report quoted Ford as saying that he considered himself too liberal, hailing from Memphis, for the rest of the state. Tipper Gore, wife of former Vice President Al Gore, also decided against running for the seat on Monday and announced her endorsement...