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Woodruff Weighs in on Giffords

Bob Woodruff, who certainly knows something about traumatic brain injuries, stopped by GMA Monday to discuss Gabrielle Giffords' prognosis.

01.10.11 10:10 AM ET

Bob Woodruff, who certainly knows something about traumatic brain injuries, stopped by GMA Monday to discuss Gabrielle Giffords' prognosis.