After a forgotten WW2 propaganda poster was discovered in 2000, it found an astounding new resonance in 21st-Century Britain.

Too bad U.S. businesses don’t have a mantra comparable to Britain’s famous World War II “Keep Calm and Carry On” slogan to get them through the current tariff turmoil.

“How to stay calm when I have no idea what is going on?” That's a question thousands — literally more than 8,000 queries, according to Yahoo Search data — of you have searched on Yahoo ...