against him during the election season. >> joining us is phil mud and steve hall. phil, the fact that the dossier was part of the justification to approval to monitor carter page, what does that say? >> it doesn't tell me much. if you want to go to a judge with a fisa package, that's one of the most intrusive. remember what we got. we have a british agent, former british agent talking presumably to a source in moscow who might be talking to a subsource. in this game of telephone, we're taking another step to get to the fbi. you have to have corroboration of some of that if you are going to use it in a package to apply to listen to somebody's phone and e-mail. otherwise the judge will say, have i to have more. >> phil, to be clear, you are saying the fbi would have to have corroboration of stuff in the dossier? they wouldn't have just used