up. last night, the granddaddy of real news television magazines "60 minutes" aired its investigation on fake news and the impact on the presidential election. >> did the environment in this world change during the presidential election? >> it did. sure. a lot more players joined the game. >> fake news flooded social media during the presidential campaign. this story said donald trump was caught snorting cocaine in a hotel. another said, after colonoscopy reveals brain tumor, donald trump drops from race. >> part of political campaigning these days involves a widespread strategy and public opinion over social media. twitter and facebook are part of that. >> phil howard leads the internet institute at the university of oxford, which examines misinformation on social they have analyzed web traffic in the days before the election in the swing state of michigan.