AFTER AN ELECTION upset that exposed media types as out of touch with the conservative electorate, many journalists have been looking for ways to pop, or at least counter the effects, of the so-called “filter bubble.” Right Richter, a media digest for people who don’t usually consume right-wing news, might be a good start. As the newsletter’s author, Will Sommer, writes in his first post-election edition, “We’re living in the world Breitbart created now, so it’s going to be more important than ever to understand what they want and what they’re saying to one another.”