Ezra Klein (born May 9, 1984) is an American journalist, blogger, and columnist. He is most known for his former work as a blogger and columnist for The Washington Post, as well his ongoing work as a contributor to Bloomberg News and MSNBC. He was formerly an associate editor of The American Prospect political magazine and a political blogger at the same publication.At The Washington Post, he managed a branded blog called "Wonkblog," which featured his writing and the writing of other policy reporters. Issues discussed in the blog included health care and budget policy. He wrote a primer on policy called "Wonkbook," which was delivered by e-mail and on his blog each morning.