After every major election, the losing side faces a dreaded question: Where did it all go wrong? But journalist Steven Waldman, the co-founder and president of Rebuild Local News and Report for America, argues that pollsters and reporters are overlooking a key factor when debating that question after last week’s outcome. On POLITICO Tech, Waldman explains why the place where voters get their news and information — legacy media or social media — likely influenced which candidate they support. Learn more about your ad choices. Visit megaphone.fm/adchoices