By Panu Wongcha-um VIENTIANE, Laos (Reuters) -Philippine President Ferdinand Marcos Jr pressed Southeast Asian leaders and China at a regional summit on Thursday to urgently speed up negotiations on a code of conduct for the South China Sea, while accusing Beijing of harassment and intimidation. Speaking in Laos to leaders of the Association of Southeast Asian Nations (ASEAN) and Chinese Premier Li Qiang, Marcos said substantive progress was necessary and all parties must “be earnestly […]