Semiconductor manufacturers in Southeast Asia must shift production to the US or face punitive tariffs, Washington’s top trade official warned on Thursday, saying tariffs “are the solution” if trade talks with regional governments fail to deliver results.US Trade Representative Jamieson Greer delivered the message in Kuala Lumpur, where he met with ministers from the Association of Southeast Asian Nations (Asean).Greer’s comments came as members of the regional bloc raced to secure better...