he realized there's really no net. he's not the candidate, not the nominee, he's not the president-elect, he's the president, so there was a difference in the way he presented himself both in terms of stayle and tone and substanc. >> do you agree? you covered the obama white house and i don't think it's fair to entirely compare but in terms of tone it seem today me that the president truly truly you know really thought about his words. >> yeah, he seemed to be speaking very carefully choosing his words very carefully. it was a really short joint press conference, the shortest that i've ever seen, president obama could talk much longer and would go for nouan hour or so particularly when you're talking questions from both sides, but he seemed to be very careful and subdued the atmosphere was light