Democrats tittering and openly laughing?

Here.

The post doesn't say whether Maryland's 8-year-old Democratic science advisor was flown in for this debate.

Note the interesting quote here:

Several Republicans argued that there's no need to rush the proposal.

"It's like we're scurrying to get something done, like something's going to happen to discredit the whole global-warming thing," said Rep. Ed Orcutt, R-Kalama.