Congress has yet to pass legislation regulating social media companies, so parents are taking matters into their own hands. A lawyer representing them explains how a new spin on an old legal theory might lead to a big win.This episode was produced by Haleema Shah, edited by Jolie Myers, fact-checked by Laura Bullard, engineered by Paul Robert Mounsey and Michael Raphael, and hosted by Sean Rameswaram. Transcript at vox.com/todayexplained  Support Today, Explained by making a financial contribution to Vox! bit.ly/givepodcastsLearn more about your ad choices. Visit podcastchoices.com/adchoices