tavis: join me nt time for a look at bestancer and cance surviv, diane carroll. wel see you the natioide insurance proudly supporters tis slely. tavis and nationwe insurance working to improve financial literacynd the economic empowerment that comes with i nationwidis on your side. and by contributions to your p ations from viewers lik you. and by contributions to your p ations from viewers lik you. thank you.

tavis: join me next time for a look at best cancer and cancer survival, diane carroll. we'll see you then. nationwide insurance proudly supporters tavis smilely. tavis and nationwide insurance. working to improve financial literacy and the economic empowerment that comes with it. nationwide is on your side. and by contributions to your pbs stations from viewers like you. thank you. >> we are pbs. tavis: hi, i'm tavis smiley, join me next time for a unique look at breast cancer, with the edge with art wolfe"