responsibility to monitor or basically moderate that content online. >> but james, the cable news environment, the internet environment was extreme well before 2016. let's go back to 2012. facebook played an oversized role in the reelection of barack obama in 2012. you didn't have the extremes there despite the fact you had cable news hosts back then saying that barack obama was a racist and wasn't even born in this country. so what happened in four years at facebook? >> i think a number of things happened. one is that news organizations actually started to publish on facebook, which in some ways legitimized facebook as a place for the majority of american voters to get their news. the news feed on facebook became one of the main information sources. so that legitimizizatiolegitimi