The mounting challenges Apple faces in China will test John Ternus, the newly appointed CEO, as analysts watch if he tries to replicate his predecessor Tim Cook’s frequent “charm offensives” in the world’s largest smartphone market. “I’d like to see if the new CEO can charm Chinese consumers as well as government ministers, just as Tim Cook has,” said Bryan Ma, vice-president of client devices research at IDC. Apple announced on Tuesday that Ternus, 50, would be the new CEO effective September 1...