How Donald Trump could break up Canada

Alberta is a very cold place in winter, even by Canadian standards. And yet, in the past week, hundreds of Albertans formed long queues in freezing weather, in big cities and small towns, to sign a petition for an independence referendum for the province. If at least 177,732 signatures – 10 per cent of the total number of votes cast in the last provincial general election – are collected and verified before early May, a referendum on Alberta statehood can be legally held in the autumn. It now...