international community's efforts sincerely or be held to account. >> we would welcome assad giving up his chemical weapons, doing it in a verifiable manner so we can account for them and destroy them. that's the whole purpose of what we're trying to achieve, to make sure he couldn't use them again. that would be terrific. unfortunately, the track record to date, including recent statements by assad not even acknowledging he has chemical weapons, doesn't give you a lot of confidence. that said, we want to look hard at what the russians have proposed. >> is this an ultimatum coming to assad, an escape hatch for them. >> again, we'll look at what the russians have proposed. >> as of now, this news has not altered the presidential push, a presidential push we have rarely seen, from closed-door briefings to televised interviews, the president seems to be using up every hour, every top aide to try to convince congress to