 In 2003, he and Markos Moulitsas were two of the earliest bloggers to report from a political convention, that of the California State Democratic Party.In 2006, Klein was one of several writers pseudonymously flamed by "The New Republic" writer Lee Siegel (posting as a sock puppet called "sprezzatura").On December 10, 2007, Klein moved his blog full-time to the "American Prospect".