Moderates and progressives are threatening to vote down different parts of their own party’s agenda, all while a government shutdown looms. Vox’s Li Zhou explains why. Today’s show was produced by Will Reid with help from Miles Bryan, edited by Matt Collette, engineered by Efim Shapiro, fact-checked by Laura Bullard, and hosted by Haleema Shah. Transcript at vox.com/todayexplained. Support Today, Explained by making a financial contribution to Vox! bit.ly/givepodcasts. Learn more about your ad choices. Visit podcastchoices.com/adchoices