Even for a president who advertised his coldblooded pragmatism, the moral dimensions of leadership find a way of penetrating the Oval Office. In the case of President Trump, the emotional distance seems to have been shattered by simple, indelible images of suffering children in Idlib, Syria. “When you kill innocent children, innocent babies — babies! — little babies … …

  Over the past year, Russia’s Vladimir Putin has emerged as the ideological patron of a certain brand of conservatism worldwide. Politicians from France’s Marine Le Pen, to Recep Tayyip Erdogan of Turkey, to Donald Trump appear drawn to Putin’s vision of a world marked by weaker transnational power blocs, fewer meddlesome liberals and a harder line against radical Islam. …

  In the span of just a few days, US President Donald Trump appears to have met both his first true foreign policy crisis and his most challenging bilateral summit more smoothly than many had feared he might. Whether this turns out to be anything more than a symbolic victory, and whether it has an effect in the fight against …