[an amused spectator]

You seem to have zero understanding of science. Zip. Zilch.

And you seem to have zero understanding of sarcasm, ll. :-)

[liberallarry]

And you seem to have zero understanding of sarcasm, ll. :-)

Possibly, but I think the man was being serious. He doesn't believe that man-made global warming can be verified or disproved by experiment...or at least that anything that's been done to date has any meaning.