Rebel Group Follows the first. And backing down, even though plan remains popular with many of the french. And Nuclear Summit. World leaders from more than 50 countries are arriving in washington for talks on Nuclear Security but a russian boycott may limit its success. Good evening, im antonio mora, this is Al Jazeera America, we begin in syria and questions whether russia is planning a longer term presence there. U. S. Officials say there have been no new departures of Russian Troops or equipment in two weeks and that russia is sending more navy ships to syria and training more troops for deployment. Also the u. S. And russia are said to be working together to remove i. S. I. L. From raqqa. Syrian president Bashar Alassad said, he could see a peaceful conclusion to the war within weeks. Greek officials recorded 766 new rivalarrivals in just lesbos overnight. Seen is replicated across lebanons valley, tents made out of the flimsiest materials are played to shelter those who fled the w