Rep. Dana Rohrabacher (R-Calif.) tried to call attention last week to global warming reports he found ridiculous by using flatulence jokes, an approach he had tried last year. Now he finds himself again the target of Democratic attacks.

Rohrabacher voiced skepticism in a House floor speech Thursday over the idea that global warming results primarily from man-made factors. Rohrabacher, in dismissing a report blaming cattle flatulence for climate change, noted there wasn't much global warming when buffalo herds dominated the Great Plains centuries ago.

"One can only assume that the anti-meat, man-made global warming crowd must believe that buffalo farts have some social redeeming value that