KUALA LUMPUR, Malaysia (AP) — More than a decade ago, Malaysia Airlines Flight MH370 vanished without a trace, sparking one of aviation’s most baffling mysteries. Despite years of multinational searches, investigators still do not know exactly what happened to the plane or its 239 passengers and crew. On Wednesday, Malaysia’s government said American marine robotics company Ocean Infinity would resume a seabed hunt for the missing plane on Dec. 30, reigniting hopes that the plane might finally