The problem with Pyongyang: Kim’s latest nuclear test is another headache for China’s relations with east Asia

Also: Baidu starts the year with a medical meltdown and an airline strike; LeTV goes public with its new ‘Batmobile’; and how Yum stumbled with its China acquisition

Plus: Israel companies court capital at a Beijing tech conference; bakugai buyers boost retail receipts in Japan; and new Star Wars movie debuts strongly, despite China’s limited knowledge of the Force