these witnesses. but this comes at a time where this committee, these committees who are pushing for this impeachment probe are looking to hopefully, in their view, wrap this up in the next couple of weeks behind closed doors. then the public hearings begin. then the public report will be released. and then we will see potential votes on articles of impeachment. so, we are at the beginning phase of a rapidly moving investigation. we ll see how rapidly they decide to wrap it up. beginning phase, but as you point out, it is moving very quickly. and i know cnn has learned the democrats are, in fact, already considering with the scope and the scale could be for potential articles of impeachment. what more do we know about that? reporter: yeah, this is an early part of the discussions right now. a lot of discussion among the rank and file members, as particularly about having exactly what the articles could look like, how many could there be. could it be just abuse of power, obstruction