about it. >> did the spread of fake news on the web help elect donald trump? we may never know for sure. reeve searchers are are asking the question because it's polluting the time lines and twitter streams. this cesspool of nonsense. >> bogus stories. >> getting worse. >> even president obama is raising the alarm. >> if we are not serious about facts and what's true and what's not, then we have problems. >> these problems are not brand new, but they're becoming more prevalent. here's an example. a story claiming a protester was paid $3500 to make trouble at a trump rally. this went viral during the campaign. it looked like an abc news story. the url reveals it's a fake registered to a domain in columbia. it was a hoax which tricked