specifics tr if these candidates about national security and other issues as well. >> this is the most important debate so far. >> in the wake of donald trump's call for a ban on muslims in the united states this debate has gone above and beyond politics. these debates have been important and all of these have drun record audiences. david i guess nashs wrote something very important in "the washington post." e said historical reputations among the candidates will be made or lost over the course of the next few weeks. there's no moment when all of those candidates are going to be on stage and are going to be forced to come down on one side or the other of this issue, waffle or not waffle on this it issue, other than the debate tomorrow night. so what we're looking at is not