Galvanizing Enthusiasm News Today

>> reporter: you know, you can hear the roar of the crowd here. that millenial vote, president obama soon to touch down here in ann arbor, michigan where he will rally this crowd of millenials. its all about galvanizing enthusiasm and getting out the vote. as we have seen, the race here has tightened considerably. hillary clinton now up four points in the latest poll. thats a drop from 11 points a month ago. so hillary clinton is counting on the numbers. thats why we have seen this frenzy of act...