Donna Marathon and Mayo Clinic Join to Beat Breast Cancer

Tomorrow...thousands of runners and walkers will lace up for the DONNA Marathon in Jacksonville Beach to *FINISH breast cancer. The DONNA Foundation has given more than $3 million of race proceeds to the Mayo Clinic Breast Cancer Translational Genomics Research Program. Joining us now with details on their latest efforts is Professor of Immunology at Mayo Clinic, Dr. Keith Knutson.