SALT LAKE CITY (AP) _ Here’s a unique way to get out of a traffic ticket: get Gladys Knight to sing. Police Captain Mike Roberts of the Pleasant Grove Police Department in Utah says Officer Paul Rogerson pulled over a car for speeding Wednesday night. Rogerson was checking the license when the driver identified Knight as her passenger and said they were going to a church choir performance. Rogerson said it was his birthday, and Knight got out of the car and sung to him. Police say Rogerson let the driver go with a warning.