Red Round Robin

It’s the Republicans’ turn as guest host Mike Pesca plays excerpts from, and gets analysis of, the first Republican presidential debate. How did Giuliani, Romney, McCain and the seven others do in their first face-to-face? Also: the third IPCC report on climate change; and Gustavo Arellano, the author of Ask a Mexican! debunks myths and answer questions like "Is a burrito authentic?" and "If Mexicans keep sending money back to Mexico, why aren't circumstances there improving?"

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