February 18, 2018 4:33 am Karen, Kristi and Matcha Green Tea Lattes U.S. Figure Skater Karen Chen is making her first trip to the Olympics. Thankfully she has formed a relationship with gold medalist Kristi Yamaguchi to help her deal with the challenges. US & World Videos 1:30 Police investigating homicide in New Haven 0:48 Target to lower prices on about 5,000 basic goods 0:47 WATCH: Comet fragment lights up the sky in Portugal 1:43 World reacts to death of Iran's president 1:58 ICC seeking arrest warrants for Israeli and Hamas leaders