[Da Coyote]

But, they have carefully examined EVERY other possible variable and global warming is the only possible cause. NOT.

These folks are producing Obama-output.

[Islander7]

“....But, they have carefully examined EVERY other possible variable and global warming is the only possible cause. NOT.

These folks are producing Obama-output....”

Reminds me of the “Acid rain” is killing all the frogs rant....until the virus responsible was identified.