By BILL MILLER A teenage girl was killed Tuesday in a two-vehicle wreck south of Weatherford that also killed a Colorado man, officials said.Sarah Jennifer-Lynn Brinkmann, 17, of Weatherford, was pronounced dead at the scene of the wreck, which was reported shortly after 10 a.m. Tuesday on Farm Road 51, according to a report from the Texas Department of Public Safety highway patrol.Also pronounced dead at the scene was Keith Defoe, 65, of Pueblo, Colo., the DPS said.