In another 20-something-question, fill-in-the-blanks series, we checked in with the world-class U.S. and Canadian biathletes that will be competing at 2017 International Biathlon Union (IBU) Youth & Junior World Championships Feb. 22-28 in Osrblie (also known as Brezno-Osrblie), Slovakia. Here’s 20-year-old Siena Ellingson, of Minnesota, who is representing the U.S. at her fourth Youth/Junior Worlds. On Thursday, Ellingson finished 50th to lead two Americans in the