Two teens who carjacked a man at a gas station in Germantown, Maryland were unable to drive away because they didn't know how to operate the car's manual transmission, police say. A 16-year-old from Rockville and a 17-year-old from Washington, D.C. were arrested after the carjacking on Saturday at the Sunoco gas station on Frederick Road, Montgomery County police said. A man had just finished pumping gas and was getting into his car when he saw the two teens running toward him, police said. The teens then forced his door open, grabbed him and demanded his keys, which he handed...