Did this really happen?

Mike the Mad Biologist: I Can't Believe Mallaby Just Said This : I was jus skimming through the Washington Post op-eds and Sebastian Mallaby writes (italics mine):

Wal-Mart's critics allege that the retailer is bad for poor Americans. This claim is backward: As Jason Furman of New York University puts it, Wal-Mart is "a progressive success story." Furman advised John "Benedict Arnold" Kerry in the 2004 campaign....