In Trump’s Diplomacy, Insults Are a One-Way Street. Ukraine Is the Latest Example.

The latest rift with President Volodymyr Zelensky of Ukraine serves as a reminder that President Trump readily lashes out at other world leaders, only to grow outraged if they fight back.President Trump’s belligerence leaves many world leaders reluctant to cross him for fear of blowback or even, depending on his mood, a fresh round of tariffs.