Former Secretary of State is keynote speaker at Convention Center security conference. ANAHEIM Former U.S. Secretary of State Condoleezza Rice said Wednesday that the United States must remain vigilant in the fight in Afghanistan and help calm the drug battles along the Mexican border to help prevent the type of failed states that lead to more terrorism. Rice delivered the keynote address to a crowd of more than 2,500 police and security professionals gathered in Anaheim for the 55th annual American Society for Industrial Security International Seminar, billed as the largest security expo in the world. "Nothing has ever been...