COLUMBIA, S.C. (AP) -- White House hopeful Fred Thompson says the United States can no longer afford to have open borders.
The former Tennessee Republican senator says Americans particularly can't take that risk with terrorists threatening the nation with the worst imaginable weapons.
Thompson spoke at the South Carolina Veteran's Memorial outside the state Capitol as he named a new member of his national campaign team.
Thompson says Brigadier General James Livingston will serve as national co-chair of Veterans for Fred Thompson.
The 33-year veteran of the United States Marine Corps has been awarded several service medals, including the Congressional Medal of Honor, the Distinguished Service Medal and a Purple Heart.
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