he clearly thinks he s not 100% comfortable that s what it is. reporter: on that ground. you saw that in the debate. he tried to do it, tried to level it, it didn t come through. you re seeing that more and more every time he s asked about it. all right, kasie. good stuff. nightfall in new hampshire. you started this when the sun was up. reporter: we did, in fact. we ll have more actually of your interview throughout the show tonight including bush s remarks on drug addiction. it s the latest on the trail. as i said, it s become a major issue, totally voter driven because of what s happening in new england, thanks to all of this heroin that s been coming up from new york city. a recent wmur granite state poll put the issue of drug abuse as the most important issue in the state, that overtook jobs and the economy for the first time in eight years. and bush, of course, not been alone in trying to now tackle the issue. carly fiorina s spoken personally about losing her dau