Even Jamelle Bouie, a writer for the left-wing American Prospect who doesn’t find Davis’s conversion story all that compelling, acknowledges its power. “Davis, like Joe Lieberman before him (and Zell Miller before that), can tell a credible story of ideological alienation,” Bouie wrote in theWashington Post. “He thought the Democratic Party was a big tent, but now — under Barack Obama — it is a haven for intolerant leftism.”