CNN CNN Newsroom With Carol Costello April 6, 2015 13:36:00
No impression at all about lubitz' medical background prior to the crash. welcome to both of you. >> thank you, carol. >> it's just -- it's still incredible to me david, no one knew at luff hanthansa or germanwings this guy had a problem. >> amazing. we have this think about this in two way, one is did they notice something and two, notice something severe enough to bring to it the authorities or airline. this is something that has to be changed or look at at what point do you say he's not fit? there's no real litmus test that say says this guy is crazy, we need to get him out of here. >> obvi...