After The Pay Check ended, conversations about the pay gap didn’t—so we decided to listen in. We went out and found some of the smartest women we know and had them talk about what it's like to be a woman trying to succeed in her career. This week, Sallie Krawcheck, the former chief financial officer of Citigroup talks to Bianca Caban, a recent Columbia Business School graduate, about making it in the world of finance.