being squeezed and the need to keep the prosperity going without letting these people get too hurt by what is going on. so that was part of the parallel. but it is also true that what happened in 1912 should be a cautionary tale for the republican party and were dominant in the congress until this split occurred. then you had the progressives on one side and the mainstream or old line guard on the other side. so when you think about what is going on with the tea party and mainstream republicans, i think they can look back at 1912 and see it is far better to settle your disputes within the party than to certainly form a third party and then both parties lose. one of the senators says as soon as teddy roosevelt decided to form the third party, knowing that he and taft would run against each other and the republicans would be split, now is a question of which courts gets the most flowers. it was clear the democrats would win. >> for her next project, doris kearns goodwin says she wants to focus on leadership. the professional traits and human qualities that takes to be a successful president. that's it for today.