OTTAWA, Canada (AFP) — Canadians pride themselves on living with cold weather — but sub-zero temperatures proved too much even for them Friday, with concerts canceled and ski hills closed for safety reasons during an extreme year-end cold snap. Temperatures almost reached -58 F (-50 C) in two central Canadian cities, Regina and Winnipeg. In the capital Ottawa, meanwhile, authorities announced the cancelation of some shows marking the end of Canada’s 150th anniversary celebrations held this year. […]