Catholic and other religious social service groups must provide contraceptive coverage to their employees even if they consider contraception a sin, according to yesterday's ruling by the state's highest court. The 6-0 decision by the state Court of Appeals hinged on defining Catholic Charities and the other nine religious groups suing the state to be social service agencies, rather than only operating as churches. The organizations "believe contraception to be sinful," the decision states. "We must weigh against [their] interests in adhering to the tenets of their faith the state's substantial interest in fostering equality between the sexes, and in...