North Korean defector Ji Seong-ho, currently a law student at Dongguk University, holds up his crutches during U.S. President Donald Trump's State of the Union address to a joint session of the U.S. Congress on Capitol Hill in Washington, U.S. January 30, 2018. REUTERS/Jonathan Ernst/File photo SEARCH "JI TRUMP" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY.