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Two Glock .40 caliber semiautomatic handguns are displayed in Woodbury, Minnesota on May 28, 2011.
Two Glock .40 caliber semiautomatic handguns are displayed in Woodbury, Minnesota on May 28, 2011.

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    Newtown shooting shifts gun debate

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Newtown shooting shifts gun debate

Since the Newtown shooting, the gun control debate has shifted. John Avlon reports.

Newtown shooting shifts gun debate

Since the Newtown shooting, the gun control debate has shifted. John Avlon reports.