What’s worse: potentially biased humans controlling the news you see or a “neutral” algorithm? Accusations that Facebook’s Trending Topics feature isn’t purely data-driven have highlighted the platform’s power. 

Plus: Margaret Sullivan, the former public editor of The New York Times, is on her way to the Washington Post. How much did she change at the paper of the record? 

Also: Bob’s take on how the political press is normalizing the presumptive GOP nominee; and a new documentary looks at Anthony Weiner’s failed run for mayor.