VANCOUVER, British Columbia — The women of the Canadian hockey team politely accepted their gold medals and waved to an adoring crowd. And then the real celebration began. More than half an hour after they beat the United States 2-0 on Thursday, the players came back from the locker room and staged a party on ice – swigging from bottles of champagne, guzzling beer and smoking cigars. In a sport that Canada invented, there was never an option besides gold, and with it finally in hand, the home team let loose.