In the news this week, Snapchat fired its Local Stories editors, but will have soaring revenues ahead, according to a projection from eMarketer. YouTube is trying to grow up, funding original shows on YouTube Red, while reining in popular video stars -- but not without controversy. And Jim VandeHei, co-founder of Politico, reveals more details about his unnamed new venture, which got a cool $10 million round of funding. We talk to Politico’s Peter Sterne about Matt Lauer’s skewering on Twitter after his presidential Town Hall disaster. Our Metric of the Week is Snapchat Views, and we go one-on-one with Washington Post media columnist, and former New York Times public editor, Margaret Sullivan.