Knock Knock Knocks

This seemingly racist PowerPoint presentation, a variant of which also appears here, is making the rounds of Republican mass e-mails in the informal economy of political gift exchange that also involves photoshopped images and other digital files that are not archived on websites that can be traced to established orders of ownership and authorship. With the structure of a childish knock-knock joke, it depicts former Harvard Law Review editor and University of Chicago law school professor Barack Obama as a cartoonish dialect-speaking bugaboo proclaiming "Eyes yo new Prezident."