He never stated such a quote, and his statements aren't necessarily useful as anyone can state they could have prevented 9/11 in hindsight with what we now know.
His main thrust with this line of statements seems to me to be keeping the Bush name attached to Jeb, which is a good idea, although his tactics aren't necessarily the best route, but then again, he may be getting advice that leads him to believe this is a useful course of action.
Will Trump complain and boycott CNN?
“His main thrust with this line of statements seems to me to be keeping the Bush name attached to Jeb, which is a good idea, although his tactics aren’t necessarily the best route, but then again, he may be getting advice that leads him to believe this is a useful course “
Actually this whole issue brings up why Trump’s immigration policy is so important. Trump couldn’t have planned this better.