MONTREAL — Canada prevailed in a must-win doubles match to stay alive at the Davis Cup on Sunday. Vasek Pospisil of Vernon, B.C., and Liam Draxl of Newmarket, Ont., defeated Hungary’s Mate Valkusz and Peter Fajta 7-6 (2), 6-4 in the men’s team tennis tournament first-round qualifier at IGA Stadium. Canada’s back was against the […]