that would restrict iran's nuclear capability, not end it completely. this is key. in exchange for the sanctions on iran to loosen up a bit. you can see it there. michael and everyone else. a majority of people we asked did support that scenario. >> but it is the people at the negotiating table today who really matter if a deal is going to get done or not. jim chute know toe, our chief national correspondent is in geneva. what are you hearing about foreign leaders or at least secretaries of state headed to geneva. that's always a sign something cog happen. it's good they're still talking. >> no question. it's something we've been watching for as a sign there's forward progress. we now are hearing that the russian foreign minister sergey lavrov, his plane has landed at geneva. i've just been told that will secretary of state johnny kerry will likely come to geneva, as well. not confirmed yet, but he will likely join tomorrow.