Long-shot presidential candidate Ron DeSantis said he would send US forces into Mexico “on day one.” Longer-shot presidential candidate Will Hurd explains why that’s a bad idea.This episode was produced by Hady Mawajdeh with help from Miles Bryan, edited by Matt Collette, fact-checked by Laura Bullard, engineered by Patrick Boyd, and hosted by Sean Rameswaram.Transcript at vox.com/todayexplainedSupport Today, Explained by making a financial contribution to Vox! bit.ly/givepodcastsLearn more about your ad choices. Visit podcastchoices.com/adchoices