The US operation to abduct Venezuelan President Nicolas Maduro serves as a reminder for China to bolster its air defences and counter-intelligence protections, observers say. Analysts in China described Venezuela’s air defences – which rely largely on Russian technology – as “full of flaws and slow to react” amid the modern surveillance, cyber, and electronic warfare displayed by US forces in Saturday’s operation in Caracas. The operation could serve as a further case study for China, which has...