counsel office is now arguing is that the president cannot be overseen on certain things that are his executive authority, that congress literally does not have the authority to conduct oversight of his exercise of executive power. and this is where the real crux of what they actually are going to end up arguing about, when they get down to the facts of the president's obstructive behavior, it is whether or not he can actually abuse that executive authority and they're just not getting to that issue yet. >> carrie cordero, john dean, thank you. are iranian threats real or is it business as usual. the (new) roomba i7+ for weeks. rget abg with clean base automatic dirt disposal empties the roomba bin for you. so dirt is off your hands. if it's not from irobot, it's not a roomba.