thomas piketty's work has, as you know, really sparked a huge debate. it's been an instant best-seller. very surprising best-seller, close to 700 pages, sort of economic tone. but people are really interested in his conversation, what he has to say about inequality. but for hillary clinton he's also a guy that's advocating and talks very comfortably about what he talks about as confiscatory top tax rates, upwards of 70% on top income. i think hillary clinton would be very careful ton associate herself directly with someone making those types of arguments. elizabeth warren, on the other hand, they really are speaking the same language about the way these issues of economic insecurity, of economic inequality, of capital inequality are not just issues to be talked about in sort of high intellectual society, these are bread and butter issues that ordinary americans should be fluent in and should understand and be comfortable talking about. >> right. and you're speaking, krystle, both to her economic platform