David Martin speaks to the real "master of disguise" that was portrayed by actor Ben Affleck in the movie "Argo." Tony Mendez tells the story of how he brought back home 6 Americans by turning them into members of his movie crew.
Jeff Powell, a college student in Chapel Hill, North Carolina, made a prosthetic hand for a 7-year-old boy for only $20 using a 3D printer. The impact of this could be more profound. Anna Werner reports.