The US economy is trying to dial into a dose of certainty. "Our customers are still aggressively buying our products and services and paying their bills. But ... there's a degree of stress in some segments of the consumer space. Costs of certain products and services are getting higher, and that's putting some dynamics in place," AT&T CEO John Stankey told me at the Goldman Sachs Communacopia conference on Tuesday. Stankey contributed some of the stress to uncertainty around Trump's tariffs. "I think the ...