of course, from higher ups. >> but did they want to do it? did they want to do it? did they want to waterboard? >> i can't speak for the seventh floor. they were very careful to obtain legal authorization, and then to carefully define and establish parameters of what was acceptable or not. there are two levels enhanced interrogation techniques that were defined. standard and enhanced. the standard ones are designed to play psychological stress on the person. the enhanced ones are some physical measures. i, from the get-go, my involvement, refused to have anything to do with any physical measures. i had been trained, however, that psychological measures of -- measures to psychologically dislocate someone were effective. i found in fact, that really is not the case. you create someone who is stressed, miserable and angry, but not necessarily more willing to share information. >> glenn carle, we look forward to it. appreciate your time here on "the ed show." president obama will visit