Details on Weapons As Colo. Shooter Appears in Court

Aired: 7/23/2012 | 0:13:56 | Clip
At a preliminary hearing, Colo. shooting suspect James Holmes remained silent and stoic. Gwen Ifill speaks with Rep. Jan Schakowsky (D-Ill.), University of Denver's Dave Kopel and the Pew Research Center's Mike Dimock on whether shootings influence public opinion on issues such as gun control and gun safety.

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