lived. that policy can be appealing. >> you wrote about political shifts during her career. we hear a lot about the idealogical changes of joe biden over the last 50 years of public life. part of that is because he's a frontrunner, but she's been an independent, she's been a republican, now she's a democrat. there is an evolution over the decades. >> yes, that's true. so warren grew up in red state oklahoma, and then she lived in texas in her early 20s and 30s. and in philadelphia in the '80s and '90s, she was registered as a republican. she taught finance law in law school. that tends to be a more conservative field. and she would say that it was studying bankruptcy that changed her political identity and really made her a political person. she found that families who were going bankrupt were doing so because of things like job losses and medical bills, not because they were on crazy spending sprees and that really, i think, changed her outlook about class and the government.