SCMP tech desk editor Zhou Xin looks at reports the US Treasury is about to sanction the world’s biggest maker of surveillance tech and why this worries Wall Street and China’s tech sector. Analyst Edward Cavanough, specialising in ties between the Solomon Islands and China, looks at comments by PM Sogavare on China’s links to Christian communities and why Australia’s Pentecostal PM Scott Morrison is now wedged, with few options to redress his foreign policy failure.