Around the world, Canada is known for its beavers, Mounties and winter climate. But a new Canada has emerged in the past couple of years, famous for potent marijuana, gay marriage and pushing the limits of freedom. Director Albert Nerenberg, the man behind the indie-documentary hit Stupidity, explores these events in the high-energy Escape to Canada, a cleverly crafted, tongue-in-cheek feature. The story begins in 2003, when by apparent coincidence, gay marriage and marijuana are legalized on the same day. Coincidence or trend? Either way, quiet, boring Canada suddenly explodes. Soon Canadians are not the only ones enjoying their newly …