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Now, welcome to the Best of Left podcast

with clips today from La Show, NPR, The Daily Show,

Slate.com, The Colbert Report, The Young Turks,

and The Onion Radio News.

So it's time, ladies and gentlemen, for News of the War.

The award-winning news of the war,

I don't point that out often enough, but it's true.

There's so much news in the war this week.

That's why it's sort of up here at the front of the program.

A massive pulse of carbon dioxide entered the world's

atmosphere 55 million years ago in association

with a significant rise in global temperature.

But it seems to have gotten a lot hotter than it should have.

University of Hawaii researchers who studied the ancient climate

events say there are major puzzles

about how the atmosphere responded to the input of carbon.

Puzzles that may be important in the Earth's current human

caused pulse of CO2.

One issue is understanding feedback mechanisms.

...