February 5, 2010 11:50 am Biathlon 101 Biathlete trainer, Richard Costanza, takes to the slopes to show LXTV how to combine two Olympic disciplines: cross-country skiing and shooting. Get more Olympics coverage and check out LX New York. US & World Videos 1:04 2024 MLB trade deadline: Early predictions, top candidates 1:13 2024 NFL schedule release: Top 10 must-watch games 0:53 NFL announces slate of 2024 international games 0:49 Hawkeyes coach Lisa Bluder announces retirement 0:39 How Caitlin Clark fared in Fever WNBA debut