if compromised, a new card with new numbers could easily replace it. another option is new technology called block chain, a network of many computers where data is transmitted and stored simultaneously and securely, each fact checking the other with algorithms that cannot be controlled by any one device nor compromised at any one point of failure. the white house is now just beginning the process of moving towards a new social security numbering system that is safer. the administration cybersecurity coordinator is asking all federal agencies to offer input on replacing the present system. in washington, doug mcelway, fox news. >> thank you. a veteran is taking on new challenges now that he is back home. >> i'm fighting the battles of veterans that come home and struggle, and so that's how i'm staying in the fight. that's how i'm continuing to fight america's battles. >> we are going to share with you the inspiring story of a man who is taking an amazing journey with two prosthetic legs.