David Leonhardt: The press has a bias for centrism, and calls it objectivity

(Chris Carlson | AP file photo) Democratic presidential candidate Sen. Elizabeth Warren, D-Mass., speaks during a Democratic presidential primary debate Thursday, Dec. 19, 2019, in Los Angeles.John F. Harris is about as mainstream as the mainstream media gets. He spent 21 years at The Washington Post, including as its political editor. Then he became the founding editor of Politico, where he is now a columnist.

Last month, Harris wrote a column that I can’t get out of my head. In it, he argued that political journalism suffers from “centrist bias.” As he explained, “This bias is marked by an instinctual suspicion of anything suggesting ideological zealotry, an admiration for…