PBS NewsHour: As Colorado Shooter Appears in Court, More Details on How He Obtained Weapons

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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