Vicente Fox, the 55th president of Mexico, has become one of the most flamboyant international critics of U.S. President Donald Trump. At age 75, a dozen years removed from his time in office, Fox has used profanity and humor to defend Mexicans from Trump’s attacks and rebut the American’s contention that he can force Mexico to finance a border wall separating the two countries. He sat down with me to discuss his role, and North America’s economic future, after delivering a speech to the eMerge conference gathering international business leaders in Miami on April 23th, 2018. What follows is a lightly edited version of our conversation.