North Korean leader Kim Jong Un paid tribute to Vietnam’s late revolutionary leader Ho Chi Minh on Saturday before starting his long journey home through China, after his Hanoi summit with US President Donald Trump ended without a nuclear deal. Kim boarded his olive green armoured train at the Dong Dang border station in Vietnam before it rolled northward toward China en route to Pyongyang, kicking off a marathon 4,000-kilometre (2,500-mile) journey expected to take […]