Hong Kong CNN  —  The CIA has released two new videos aimed at luring Chinese officials to spy for the United States, tapping into disillusion within China’s vast bureaucracy and fear of leader Xi Jinping’s relentless anti-corruption purge. The sleekly produced clips, filmed in Mandarin with Chinese subtitles, are the latest effort by the US spy agency to ramp up intelligence gathering on China, viewed by successive administrations as the top strategic rival and military threat to America.