Political uses of copyrighted material are becoming more and more common. Some are fair uses; some aren't. Check out this new video from a conservative group called "American Future Fund," which mocks Sen. Ben Nelson (D-NE) for his efforts to justify the so-called "Cornhusker kickback" offered to secure his support for health care legislation:
I count at least 15 copyrighted works incorporated into the video -- and at least 15 potential plaintiffs. Interestingly, one of the specific issues raised by this issue -- the reference to the MasterCard's "Priceless" campaign -- has already been litigated, and resulted in a finding of fair use. MasterCard International, Inc. v. Nader 2000 Primary Committee, Inc., 70 USPQ2d 1046 (S.D.N.Y. 2004).