Every day the mountain of news and noise out there online and in text and emails multiplies exponentially. How can you sift through it all and find facts that matter? The Managing Editor of Storyful.com, Markham Nolan, spends his professional life validating Tweets and texts and You Tube and their derivatives. A self-appointed “literary mercenary,” Nolan in this TedSaloon talk from London shares the investigative tactics he and his team use to sort fact from fiction. Yes, he chases “fake news.”