Followers: 58K
Sample tweet: "Wonder if White House is happy or sad that events are overshadowing health-reform's anniversary. I'm guessing publicly sad, privately happy."
Good bloggers usually make good tweeters, and that's true for Washington Post columnist Ezra Klein. For the Beltway junkie, this feed is essential, providing an even-keeled look across the political spectrum, even beyond Klein's purview of economics and domestic politics.