With just three days left before Canada votes in a hotly contested election, Prime Minister Justin Trudeau and Conservative rival Andrew Scheer on Friday ratcheted up the mudslinging, as both seek to avoid ending up with a minority government. Policy announcements gave way to calls to vote strategically on Monday — for Trudeau’s Liberals, that means staying in power and preventing a rollback of his progressive policies. Conservatives countered with attack ads accusing Trudeau’s camp of seeking to legalize hard drugs and raise taxes.