of the conflict in syria. >> i'm sure you know that there is a very real possibility that none of this will work out, especially since the russians want the u.s. to remove the threat of force from syria as these negotiations take place. syrian leader bashar al assad who the u.s. accuses of using poison gas on his own people, well, he echoed the russian position today. >> translator: i want to clearly express to everyone that these mechanisms will not be carried out unilaterally. this does not mean that syria will sign these documents, carry out the conditions and that's it. this bilateral process is based first of all on the united states stopping its policy of threatening syria. also, to the degree that the russian proposal is accepted. >> the united nations says that it has received a document from syria saying it wants to join the international treaty banning chemical weapons. secretary kerry will be in geneva through tomorrow for the negotiations with russia. relations have been cold between the two countries recently, like