Hong Kong CNN  —  American and Chinese military commanders spoke in a long-anticipated call Tuesday as the two powers seek to manage their intensifying rivalry in a contentious Asia-Pacific region – and repair lines of military communication severed more than two years ago. US Indo-Pacific Command Adm. Samuel Paparo and Gen. Wu Yanan, commander of the People’s Liberation Army’s (PLA) Southern Theater Command spoke via video conference, according to statements from both sides. The call marks a