Spring is here and scientists are watching the New York area for signs of climate change. Global warming is the thought to be the culprit for early lilac blooms and the disappearance of islands in Jamaica Bay, but the effects could soon be much more drastic than that. Also: Richard Wolffe with the Washington roundup, poverty hits a new low in NYC, and the New Yorker's George Packer on a counterinsurgency plan that's worked in Iraq.
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