Sweden's Kristina Nordenson defeated teammate Susanne Olsson 205-181 to win the gold medal in women's singles Wednesday at the 2015 World Bowling Senior Championships, the United States Bowling Congress reported. Nordenson doubled in the sixth and seventh frames and Olsson missed a 3-pin in the seventh to reverse the match at Sam's Town Bowling Center in Las Vegas. Both players opened in the ninth frame, and Nordenson sealed the win with a strike in the 10th as Olsson missed on her first...