The Obama administration said that accused 9/11 plotters will now face military trials.
In this reporter's notebook, senior correspondent Ray Suarez writes about the steps Tanzania has taken to reduce malaria infection, and the promise of new malaria vaccine trials.
Just hours after taking office, President Barack Obama ordered military prosecutors to halt all pending cases in the Guantanamo war crimes tribunals for 120 days, a clear shift from the policies of the Bush administration.
By Admin and PBS NewsHour
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