f presidential election i not th time f pte vot it is timo wic candidate is goi t wo bes for the middl cla a worki families in terms o highe education worked with secreta clinton says that f eve famil th cuntry o $125,000 less, - 8% o o population, publolleges a universities wil b tuiti fr fr thos kid that's a big dea >> dickerson: one la question, senato the "wall streurna recent rported tha sator like elizabeth warren we working on a list o n o people from place lik morg stanley and black ro th the woul actively oppo i the were p administration will you join in tha effor absolutely we certainly have see u democrat ad republica administrations what wall stree c.e.o.s have don t econom we don't nee mre wal stre c.e.o.s a administratio nee people t administration that will sta with workiamilies an t middle class andly everything i c t s that thosere the peopl appointed in a clint administration >> dickerson: all righ senator bernie sanders, than so much for bein wit u again to c n directo o elections anthon svant welcome back anthony, the polls a tightening. why are th tightenin t b pictu i