so the pentagon is now considering the use of cyber attacks that would do real damage to north korea. anthony. >> mason: david martin at the pentagon. thank you, david. and when we come back, a revolutionary way to fight cancer gets government approval. approval. ..and a high risk for fracture, so with our doctors... ...we chose prolia®... ...to help make our bones stronger. only prolia® helps strengthen bones... ...by stopping cells that damage them... ...with 1 shot every 6 months. do not take prolia® if you have low blood calcium, are pregnant, are allergic to it, or take xgeva®. serious allergic reactions, like low blood pressure; trouble breathing; throat tightness; face, lip or tongue swelling... ...rash, itching or hives have happened. tell your doctor about dental problems, as severe jaw bone... ...problems may happen or new or unusual pain in your hip groin, or thigh, as unusual thigh bone fractures have occurred. peak to your doctor before stopping prolia®, as spine and other bone fractures have occurred.