Trump’s love of letters provides a window into his approach to communication and the presidency. He likes tactile things. He cherishes the attention. He wants something to show off.

On Wednesday, President Donald Trump wrote a letter to Brazilian President Luiz Ignacio Lula de Silva announcing that the U.S. was imposing a 50% tariff on all imported goods from the South ...

President Trump’s letter-writing mission to convince world leaders to accept his tariff trade deals has hit an early snag after he misgendered one country’s head of state. On Sunday, Trump ...