Joe reckoned they’d have the system in place by 2022. It wouldn’t be seamless: China would remain a black hole, as the Chinese had declined to participate. But Joe thought they could see what they needed to see inside China by creating trip wires in surrounding countries. That was one reason Cambodia was important, and why he was on his way there. It was close to China, and a draw for Chinese tourists. If a new virus ever took a trip out of China, Cambodia would likely be an early stop.
