and scott brown decided what he was going to make that debate about, what he was going to bring up unprompted repeatedly, what he's decided to make his campaign mostly about now is his judgment on elizabeth warren's racial heritage, her family heritage, her race. >> professor warren claimed that she was a native american, a person of color. as you can see, she's not. that being said, she checked the box and she had an opportunity, actually, to make a decision throughout her career when she applied to penn and harvard. >> she tried to make the heritage part of the campaign before. remember back in may? got a lot of national press. he started with a line of attack that he should be the authority on the family tree. he gets tons of national attention. but his argument, scott brown