. >> yes. >> brown: tell us about that one. >> ken chenault, a lot of people don't know his story, thoughf american express, the c.e.o. he went to harvard law school and was really wanting to practice law. >> brown: and rose to quite a business career. >> oh, quite a business career. >> brown: we've got a short clip. >> what company has tried to focus on is reinvention and transformation, and i feel i played my part while i was there, but i think what's also important was the commitment that the company had to service which really resonated to me because we only did well if we served people well. >> brown: what have you learned after so many of these conversations and profiles? >> we've learned that the african-american experience is very diverse, a lot more complicated than, you know, we know. a lot of things that people don't know of, like we were recently in alaska, you know and people were laughing, like what about black alaskans? it's too cold up there! but the black alaska story goes back to the mid 1800s. >> brown: yeah. so we've -- i would say that the 20th century is really profo