PBS FILMMAKER SERVES UP A LOPPED-OFF SCOTT WALKER VIDEO CLIP, just in time for the Tom Barrett campaign to use in the recall election. And yet Brad Lichtenstein — who has contributed to Barrett — says “I have no political agenda with the film and I’m not releasing the trailer to have a political impact in Wisconsin.” I would have thought that after the firings over the George Zimmerman 911 audio that journalists would be a little more circumspect about this sort of thing.