President Barack Obama says more must be done to improve the safety and health of U.S. troops both in the war zones and at home. Obama made his remarks at a ceremony paying tribute to the victims of the April 2 shooting in Fort Hood, Texas, on Wednesday. The president's visit to the southwestern state includes attending the commemoration of 50 years since the signing of the historic U.S. Civil Rights Act. Zlatica Hoke reports.
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