what is discussed behind closed doors there. we also have word that the president will be sitting down with his secretary of defense, james mattis, to discuss, that will be tonight, to discuss a potential response, a potential military response to the situation in syria. gabe gutierrez, our own gabe gutierrez standing by outside mar-a-lago in florida. do we know anything more about the discussion between the president and matt is and looming? >> reporter: hi, steve, good afternoon. a highly anticipated meeting. defense secretary mattis expected to brief the president later on this evening at mar-a-lago, expected to present him with a range of options regarding the syrian regime of bashar al assad. those options include, would include grounding all syrian aircraft including -- also strikes against air defenses and perhaps targeted air strikes against whoever's responsible for that chemical attack. as you mentioned, this is one of many issues in the foreign policy front that president