W hat if Jeb Bush had bested Donald Trump and been elected president in 2016? How might the former Florida governor deal with North Korea and Iran? Or what if Hillary Clinton had won the electoral college and were sitting in the Oval Office today? How different would the world look?

Those were some of the questions raised at the United Against a Nuclear Iran (UANI) annual summit at The Roosevelt in New York City last week, scheduled to start just moments after President Donald Trump delivered his inaugural address at the United Nations, in which he threatened to strike North Korea and withdraw from the Iran nuclear agreement.

Bush, once considered the favorite to win the Republican Party’s nomination in 2016, offered a glance of the presidency that could have been. Calling North Korea and Iran rogue nations, Bush said Trump’s foreign policy would be more effective if he transitioned from “ad hoc diplomacy” to something that is “clear and coherent. Because at the end of the day, too much chaos, and being unreliable, creates real dangers.”

Bush also cautioned against marketing American foreign policy as “America First.” He called it a “deeply disturbing… approach” that has some people rightfully concerned. “I’m not sure the president is invoking a policy of 70 years ago of deep isolationism and anti-Semitism and other things like that,” he said, “but these are code words that we probably need to get beyond.” Bush did, however, credit Trump’s national security team with “moving in a more traditional way.”