TORONTO - Ontario's Catholic schools can't opt out of a revamped sex ed curriculum even if it goes against their religious beliefs to teach kids about masturbation and homosexuality, Premier Dalton McGuinty said Wednesday. Several conservative and religious groups claim the changes coming this fall will corrupt young minds with "explicit" topics like anal sex. But Ontario's Catholic premier made it clear that all public schools must teach the lessons that will start as early as age six. The first changes to Ontario's curriculum in a dozen years will see students learning about masturbation in Grade 6 and oral and...