CORTINA D'AMPEZZO, Italy (AP) — In any other Olympic sport, a tie game with the result hanging in the balance would create tension between teams. Not in curling. When U.S. mixed doubles curler Korey Dropkin accidentally kicked his stone off the center line Monday, in the middle of a decisive match against Italy in the Winter Games, the Italian duo laughed and waved it off, trusting the American to return it to its original position.