Stephen Miller, who writes under the name @redsteeze and isn't to be confused with the White House adviser of the same name, is among the most effective of the self-appointed public editors who harry journalists on Twitter. (He also got some attention recently for attending a women-only showing of Wonder Woman.) He comes from the right and has a belief that most media sins can be tracked to an attempt to push a progressive agenda. But in a universe increasingly dominated by bad faith trolls whose explicit goal is to destroy the traditional media, Miller — despite his vitriol — is usually in good faith.

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