Chinese Defence Minister Dong Jun is set to skip the Shangri-La Dialogue in Singapore for the second year in a row, according to two sources familiar with the matter.Instead, China will send a lower-level People’s Liberation Army (PLA) delegation to Asia’s premier defence forum which will open on Friday and continue until Sunday, the sources said.This year marks the 23rd edition of the Shangri-La Dialogue, which brings together defence ministers, military chiefs, diplomats and analysts to...