Yglesias will become part of The New Contras, a band of center-left journalists whose willingness to critique the excesses of leftism have pushed them from major publications to ascendant self-publishing platforms.The state of the media is neatly explained by the recent separation of inseparable bloggers Ezra Klein and Matthew Yglesias. Six years after co-founding Vox in 2014, and nearly two decades after hitting the blogosphere, the pair is splitting up. Klein is headed to The New York Times. Yglesias is going to Substack. At the Times, Klein will become part of The Consolidation, another starry-eyed pioneer of new media settling...