svg]:overflow-visible">Listen to article • 0:00 minSEOUL, South Korea — North Korean leader Kim Jong Un visited China on Saturday, inaugurating a new bridge that connects the two countries and vowing to expand cooperation with his powerful neighbor.Kim’s visit to China is his latest move in an increasingly assertive foreign policy as he seeks to align Pyongyang with Beijing and Moscow in a united front against the United States under what he portrays as a “new Cold War.” It’s his first visit in a year.Kim arrived in the Chinese border city of Dandong Saturday after crossing the newly opened bridge, according to…