the men will first meet with a single aide for each in the room, then the meeting will expand to include more officials after the talks biden and putin will hold separate at least as of now separate news conferences potentially that could change, but that's highly unlikely. so the stakes here are clearly enormous. joining us here in geneva cnn's chief national security correspondent jim sciutto, our senior international correspondent fred pleitgen. but first let's get straight to our moscow correspondent matthew chance, he's outside the villa where the summit will take place a short time from now. matthew, set the scene for us, you're there. >> reporter: yeah, that's right. this is the 18th century villa where the historic summit will take place in a couple hours from now. you can see they've already put out the russian, swiss and american flags and red carpets as well because the two leaders will be walking through that