Ireland’s political and economic ties to America cannot be ignored

President Trump’s “liberation day,” with its imposition of arbitrary tariffs on friend and foe alike, ended the post-Cold War era of free trade. In the 80 years following the end of World War II, international commerce not only expanded America’s global reach but also earned the respect and friendship of many people.  

But with his arbitrary tariffs, Trump has alienated and alarmed our friends. 

Ireland is a case in point. As a member of the European Union, Ireland became a flashpoint for Trump’s anger...