U.S. Vice President Mike Pence and his wife Karen wave upon his arrival at Yokota Air Base on the outskirts of Tokyo, Tuesday, Feb. 6, 2018. Vice President Pence’s six-day swing through Asia, anchored by a stop at the Winter Olympics in South Korea, is set to focus less on sports than the host country’s bellicose neighbor to the North. (AP Photo/Shizuo Kambayashi, Pool)