The free-trade era is over. U.S. President Donald Trump's tariff letters show that tariffs - to protect domestic industries and to raise revenue for a deeply indebted government - are the way forward.

President Trump is pushing through with his tariff agenda, unveiling a new batch of letters to country leaders outlining ...

Vietnam thought it had a preliminary deal with the U.S. to lower its tariff level substantially. Then, at the last minute, President Donald Trump raised the rate.