N. Korea more isolated than ever after Malaysia killing

North Korea had few friends even before the assassination of the leader's half-brother at a Kuala Lumpur airport last week, but the fallout from the killing looks set to further isolate the nuclear-armed state.Pyongyang and Kuala Lumpur have enjoyed relatively warm economic ties, with some bilateral trade and citizens from both countries entitled to travel to the other under a unique reciprocal visa-free deal.Malaysia has also provided a channel between Pyongyang officials and the wider world, w