ominous turn. >> to the extent that you have aided and abetted snowden, even in his current movements, why shouldn't you, mr. greenwald, be charged with a crime? >> the assumption in your question, david, is completely without evidence. the idea that i've aided and abetted him in any way. if you want to embrace that theory, it means that every investigative journalist who works with their sources and receives classified information is a criminal. >> david gregory says he's just asking questions and reflecting what's out there, but did he legitimize the motion that a reporter should, could maybe be prosecuted for doing his or her job? >> well, he said you are -- to the extent you are aiding and abetting. and what wasn't clear was, was he questioning his reporting or some allegation that he assisted snowden in his escape. and if it's the first, it's totally inappropriate. if it's the second, that's another matter. >> i'm all for asking glenn greenwald, who played a central role in this story, i asked