Canada into women's world hockey semifinal with 3-0 win over Sweden

Sarah Potomak had a goal and an assist to lead Canada to a 3-0 win over Sweden in a women's world hockey championship quarterfinal Thursday. Jocelyne Larocque and Erin Ambrose also scored for the defending champions, who face Switzerland in Saturday's semifinals.  The medal games are Sunday. Canadian starter Ann-Renée Desbiens posted a nine-save shutout Thursday. Emma Soderberg, who tends the University of Minnesota-Duluth Bulldogs' net, was a workhorse with 54 sa