and for the democrats, the big liability here is substantial cuts to medicare and the president addressed this last night in his remarks. >> despite what some in my own party have argued, i believe that we need to make some modest adjustments to programs like medicare to ensure they're still around for future generations. >> and for republicans, the painful cuts would come to the defense. and this trigger would call for 50% slicing of the defense budget. for a lot of republicans, that's just untenable. the speaker talking last night. >> i think we're going to jeopardize to defend our nation if we're looking for the defense department to bear the burden of this deal. i know they're working against those who don't want to do anything to change the size, scope of the government. but details matter. >> no matter what support is