ALBANY -- The state's small Libertarian Party, abandoned by first choice Bill Weld, has backed a U.S. Navy submarine veteran for governor. The party chose John Clifton for its governor candidate and Donald Silberger, a professor, for lieutenant governor, said party spokesman Richard Cooper. Weld, a Republican candidate for governor, dropped the Libertarian line after he ended his Republican campaign earlier this month. Weld had lost a nominating vote at the state Republican convention to John Faso, now the party's designee for governor. Clifton is a Navy veteran and the party bills him as "a social worker against the welfare...