On The Gist, we travel back to the year our host and music writer Chris Molanphy were in their music-listening prime. We’ll count down the Billboard hits from 1986 that marked a significant pivot in music history. Chris writes Slate’s Why Is That Song No. 1 column. For the Spiel, favorite moments from Thursday night’s Democratic debate in Brooklyn, New York.Learn more about your ad choices. Visit megaphone.fm/adchoices