return to principle. senator, i want to get to the book in a moment. first of all, do you think it's appropriate for the president to launch this twitter attack against senator richard blumenthal today? it went on and on. >> well, i don't think it's helpful. we in the senate, we have a 60-vote hurdle to pass almost anything or we need unanimous consent just to move ahead. and in order to be able to work with our colleagues across the aisle, it's tough if we get so personal with them. so, i don't think that it's helpful in terms of legislation moving ahead. >> but you couldn't even pass the, what's called the skinny repeal, anti-obamacare legislation with 50 votes. >> right. well, that's what i'm saying. i think we've reached about the limit of what we can do as one party. so, we're going to need to work with our colleagues across the aisle and it's difficult enough to do so. they've really obstructed putting together the president's