CNN is canceling its Sunday media affairs show Reliable Sources, and host Brian Stelter is departing the network, Stelter tells NPR. In a statement to NPR, Stelter says he's grateful for the show and his team's examination of "the media, truth and the stories that shape our world." "It was a rare privilege to lead a weekly show focused on the press at a time when it has never been more consequential," Stelter said, promising to say more on Sunday's show — its final episode. Stelter got his start blogging about cable news as a student and went on to...