Brianna Decker and Kendall Coyne Schofield each had a goal and an assist and the nine-time champion United States beat Switzerland 3-0 on Friday night to open the women’s world hockey championship.

Brianna Decker and Kendall Coyne Schofield each had a goal and an assist and the nine-time champion United States beat Switzerland 3-0 on Friday night to open the women’s world hockey championship.