Commentary It is usually Republicans who blast the media for what they consider biased or unfair coverage of their policies, but increasingly we are hearing Democrats engaging in the same behavior, apparently frustrated their agenda is not being embraced by some of their fellow Democrats and the public. Earlier this month, New York City Mayor Eric Adams, who has yet to stem rising crime as he promised to do, criticized reporters for what he regards as their negative coverage of his administration. To be fair, he was just sworn in on Jan. 1, 2022, but there are few signs that the policies he has so far implemented have had much of an effect. At a news conference, Adams went a step further and blamed the lack of “diversity” in newsrooms as the reason for his negative coverage. If he wants cheerleaders, perhaps he should hire some from the National Football League. Mayor …