oh, look, karolyn, we've got a mathematician on our hands! check it out! now you can schedule a callback or reschedule an appointment, even on nights and weekends. today's xfinity service. simple. easy. awesome. i'd rather not. >> tucker: elizabeth warren hopes that releasing a d.n.a. test would silence her critics and save her presidential campaign. instead it appeared to backfired. warren's phony heritage is a mill stone holding her career down in a radio appearance today on the breakfast club how is warren really any different from phony black woman rachel dolezal? >> was there any benefit to that? >> no. "boston globe" did a full investigation. it never affected, nothing about my family ever affected any job i ever got. >> you didn't get a discount on college? >> kind of like the original