LAKE PLACID, N.Y. — As seven US Biathlon Team members repeated loops around the stadium during trail-running intervals at Mt. Van Hoevenberg on Friday, each had their own things going on, their own focus. A-Team athlete Susan Dunklee, a Craftsbury Green Racing Project skier who tied the best U.S. women’s result of fifth at Biathlon World Championships last year, warmed up and cooled down on her mountain bike to remedy tendonitis in her knee. But for the...