Youngsters incarcerated at the Manson Youth Institution in Cheshire, Conn., cast ballots in a mock election yesterday: The election, which Kerry won 93 to 40, wrapped up an 11-week educational program on the political process that organizers hope will encourage the men to vote when they leave prison. The program taught about the history of the political parties, how to register to vote, and their rights under state voting laws. Inmates also analyzed the issues, debating about the economy, abortion rights, and the war in Iraq. Kerry scored 70% of the juvenile-offender "vote" (because they're behind bars, and some are...