WASHINGTON—Deep in the jungle in Southeast Asia, behind high walls and barbed wire, scammers are siphoning billions of dollars from Americans.They follow tightly scripted playbooks, often spending days or weeks building emotional bonds with a target before getting down to business.The fraud factories are...

As small towns across the United States reckon with power-hungry data centers springing up, the Chinese Communist Party is muddying the waters and sowing division.By tapping into the tensions around water usage, power demands, and environmental costs, the regime is trying to widen the...