WATERTOWN — City police charged two teenagers with petit larceny after they allegedly broke into a car. Police said Damien M. Wilson, 17, of 314 William St., Apt. 1, and Kyle S. Monahan, 19, of 506 Jefferson St., Apt. 106, took an iPod from the Ford Escape of Stephen Gorri. Charged Thursday, they were held at the Metro-Jefferson Public Safety Building before appearing in City Court.