>> all right, rebecca buck, thank you so much. let's look at the race for 2020. joining me, boston globe political reporter liz goodwin, david swerdlick, and bureau chief for sun times, lynn sweet. let's focus on elizabeth warren. within the hour she will be making the announcement officially. less than a year until the iowa caucuses. how will elizabeth warren stand out from the very crowded democratic field. yes, she has name recognition, has been in the news a lot, particularly because of the heritage issue. what is her viability? >> i think the viability for senator warren is she comes to some of the issues the democrats are talking about now, having talked about them for several years. things like income inequality, things like getting a better