resources in crima, president obama says russia's takeover of crimea is not a done deal. the president made the comment while speaking at the international income nuclear security. >> it's up to russia to show itself to be willing to abide by international rules. and international norms. and itself it chooses to do so there can be a better outcome. >> president obama also says russia will face more financial punishment if it moves further into ukraine. russian officials also have said that they have tens of thousands of soldiers in several areas just across ukraine's eastern border. and ukrainian troops have been withdrawing from crimea. video shows some of them piling into buses and leaving a base that russian forces have overtaken. meantime, the russian president,