president may be right in his signing statement on the sanctions bill when you think about the office of the presidency. the politics of the russia investigation and the tools that you want to have for doing dim -- there's running in conflict here. >> so i do think there was more merit to the president's position on the signing statement in the way in which his freedom to operate as chief executive has been surk um described by this law that says the president can't take off sanctions without congressional review. i think he's right to say that's an unusual step. the problem is that he has so completely alienated his normal sources of support that people are taking positions on this that they would not have taken. i mean, george w bush repeatedly had signing statements making the same point, barak obama similarly. >> i had a democratic senator, very prominent say to me not too long ago i never thought i was