Dean Blobaum at the University of Chicago blog:
Normally we try not to draw attention to negative commentary about our authors. But sometimes the commentary is too artful to be ignored. John G. Geer is the author of the recent book In Defense of Negativity: Attack Ads in Presidential Campaigns, which makes the controversial argument that negative campaign advertising benefits voters and the democratic process. Geer is, then, in no position to object when he becomes the subject of an attack ad:
The video was created by Jeremy D. Mayer, Associate Professor and Director of the Masters of Public Policy Program, School of Public Policy, George Mason University. Mayer was a commenter at a presentation Geer did about his book at the Cato Institute in September.
More here. [Thanks to Jonathan Kramnick.]