EDMONTON, Alberta — As Pope Francis pays a historic visit to Canada, he is encountering a country that is less Catholic, more secular and more religiously diverse than the last time it hosted a pontiff two decades ago. And the city where he landed on Sunday — Edmonton — reflects that diversity more than outsiders might expect from a provincial capital in Canada's prairie heartland. Edmonton and its province of Alberta do have a large, long-settled population of Christians of European descent.