Former CIA officer accused of spying for Qatar in new report; US invites Taiwan to 'Summit for Democracy' and draws sharp rebuke from Beijing; Wall Street Journal report outlines major law enforcement success using surveillance on encrypted messaging service; Apple files lawsuit against NSO Group; Russia accuses US of practicing nuclear strike against Russia while Ukraine conducts air strike practice on simulated Black Sea targets; China attempts to shore up relations among ASEAN in nuclear talks; Ethiopia's PM takes command of combat operations.