gilmour was 21 when asked to join pink floyd.who had been experimenting with psychotropic drugs was exhibiting erratic behavior. >> must be hard. >> it was hard to witness something like that. a extra emely intelligent, funn gregarious guy. and we had been around. and been arrested for our troubles in, you know, we'd spent a lot of time. we were friends from about 14. >> how did you feel about that going on? >> it felt tragic. you know it felt permanent. that whatever was happening wasn't a rapid deterioration of his mental faculties. >> barrett would leave pink floyd soon after. >> there was quite a time i was playing sid's songs and more or less his guitar parts and singing his words. i don't know how long it took me to find my own voice. >> do you know when you found that. >> i can remember a moment when i finally started liking my own voice. and that was quite weird because you know that thing when you hear your voice. you're sort of, oh god. >> gilmour went on to become one of rock's most acclaimed guitarists. ranked number

a lot of them do this with the best of intentions, with it former governor jim gilmour, 14 years agoe was the governor of virginia. obviously that's day is very significant you as we look at the pentagon and services held there earlier today. governor, think of incidents like this where we're trying to police who comes in and who doesn't. all of the people behind those 9/11 attacks were doing everything by the books, ear legally, couple of them had expired visas but the fact of the matter is, they came in and followed all the rules. >> you know, was the governor during the 9/11 attack and i had to deal with that challenge. i had to make sure the state was working with the local responders. i'd actually been chairman of the terrorism commission for five years, and it was terrible tragedy and something we ought to remember and we should begin to be prepared for the challenges that are going to come in the future also. >> but on the issue of whether this latest influx of immigrants from syria, the president is going to take 10,000 but there are millions do we have mechanisms better than

cavuto: isn't it weird that donald trump and ted cruz i know gilmour is there, but no one else. >> yeah should point out that they're busy campaigning and donald and ted and cruz are apparently -- cavuto: yeah, what is that about? says anything bad about the -- >> yeah. they have some secret blood and on it apparently on cruz's part if it's donald loses, i want his voters, and donald's part of that, who knows. i tell you one thing, trying to, like, really get inside donald's brain cells is pretty interesting. we could sit here and talk about why is his hair parted a certain way, why is he going after jeb bush, why city as he a conservative but wants to raise taxes, it ignores the reality what he's doing here. . cavuto: but cruz was not too long ago he wanted trump there because trump will raise the profile of this iran deal as if it needs to be. >> right. and i think the bottom line with donald trump this is first and foremost. cavuto: what divery cynical. >> he has rebranded both himself as a presidential candidate. cavuto: do you think he's going to be president? >> it's not theoretic