(SOUNDBITE) (RUSSIAN) RUSSIAN FOREIGN MINISTER, SERGEI LAVROV, SAYING:“As soon as the presidents of Russia and the U.S. approved the ceasefire initiative in Syria, voices from Washington and the capitals of U.S. allies began expressing doubts as to the viability of the deal.”(SOUNDBITE) (RUSSIAN) RUSSIAN FOREIGN MINISTER, SERGEI LAVROV, SAYING:“We would like to say that these voices sound more like calls for war and not for peace.”(SOUNDBITE) (ENGLISH) FORMER U.S. SENATOR AND CEO OF NUCLEAR THREAT INITIATIVE, SAM NUNN, SAYING:“The recent work that you and secretary Kerry have done together on the cessation of hostility in Syria is one that is very important. And the follow through and execution of that agreement as complex as it is, the situation is going to require a good faith by both of us and working groups to really be able to properly execute the agreement, so thank you for your leadership on that subject.”