Arianna sold out: Washington Post columnist

Did Arianna Huffington just sell out her fellow progressives? In the literal sense, she undoubtedly has: The sale of Huffington Post to AOL for $315 million (including a large pile of cash going to Huffington herself) means this powerful liberal voice is formally joining the "corporate media" its writers have long disparaged. There are also some indications that she has sold out in the ideological sense and committed the Huffington Post to joining the mainstream media - the evil "MSM" of "HuffPo" blogger ire. See video.

Click on the title for the full column by Dana Millbank,