Those who might use the WMD & used it, are the Arab-Islamic countries. Obama needs not to go further than that ! Addressing so many head of States is no more than a grand occasion for a grand addresses ! The Arab countries, at lest some of them, have the money and the religious command to commit crimes against humanity. And that is all that is needed to be both God fearing & dangerous. Iran is just like that kind of a country under its Islamic regime ! The rest of us are just the details !
Jordan foreign minister says to speak with Kerry on Israel-Palestinian conflict (Reuters)
from the article: Deputy PM: Israel hasn't been 'ambushed' at nuclear summit