Massachusetts General Hospital's Dr. Constance Lehman (@ConstanceLehman) and Breast Cancer Survivor Nancy Koehn (@nancykoehn) discuss new mammogram guidelines.

Former United States Attorney Don Stern, Former United States Attorney Michael Sullivan (@MikeSullivanMA) and Judge Nancy Gertner discuss whether Whitey Bulger's girlfriend is a victim of prosecutorial overkill.

And WGBH's Tina Martin (@TinaAroundTown) introduces us to the latest Greater Bostonian.