dr. william sprigs, when we return here, alcoholism running rampant on a reservation. how -- >> the father. i've had to report them to social services so i know. >> how a vote to end prohibition has divided a community grounded by family. >> coming up on consider this, how can the u.s. build a coalition of the u.s. against syria if the americans can't unite behind intervention? how vulnerable are we to a more serious even devastating cyberattack. >>> mrs. 50 years after the march on washington how far america has come on equality. america through the lens of a photographer. we'll see you at the top of the hour. >> tonight we look to a place that so often falls out of view that even when outsiders aren't looking, life on many native american indian reservations are hard and isolated and challenged by a poverty that's hard to comprehend. and also in many places by companion scourge, which makes companionship almost impossible. alcoholism. that is what makes the result of a recent tribal referendum all the more surprising. the tribe voted to end a prohibition on alcohol s