8/09: Lawyers deem Holmes "mentally ill"; urban farming shows its "Growing Power"

      |At a hearing in Colorado, lawyers for James Holmes, the man charged in the Batman movie massacre, said they need more time to assess Holmes' mental illness. John Blackstone reports from the courthouse in Centennial, Colo.; And, while driving through Milwaukee, Will Allen saw a plot of land that would bring him back to his childhood roots of working on a farm. Byron Pitts reports on his mission to bring healthy food to the inner city and to create jobs in the community.

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