4/25: Boston bomb suspects planned to go to Times Square; U.S. confirms evidence of possible nerve gas attack in Syria

      |The surviving suspect in the Boston Marathon bombing, Dzhokhar Tsarnaev, told investigators he and his brother were on their way to New York's Times Square to set off more bombs; and Defense Secretary Chuck Hagel announced that the U.S. intelligence community "assesses with some degree of varying confidence" that the Syrian regime has used chemical weapons.

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