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After tragedy, Congress zeroes in on mental health

A number of lawmakers have turned their efforts toward expanding mental health awareness and services following the deadly shooting at the Navy Yard and in the

Ron Barber Gun Violence - Jane Timm - 09/18/2013
Rep. Ron Barber, D-Ariz., who took over for Congresswoman Gabby Giffords who was severely injured in a shooting in Tuscon, Ariz., listens at a special House…AP

Jane Timm