Jacob Weisberg is the editor-in-chief of Slate. He is a frequent commentator on National Public Radio. He previously worked for the New Republic and was a contributing writer for the New York Times Magazine and a contributing editor to Vanity Fair. He is the inventor and author of the “Bushisms” series. He is also the author, with Robert Rubin, of In an Uncertain World. His first book, In Defense of Government, was published in 1996.