>> reporter: hi there, mika. that's right. it's all kind of happening behind me in this nonscript ioc center. it truly is crunch time. we saw president obama, the first u.s. president ever to risk get can into the fray on this kind of olympics negotiation, arrive on air force one this morning, driving directly to this building behind me, and making his personal appeal. introduced by the first lady michelle obama, who was appropriately dressed in stunning gold, you might like to know. and it really -- from my point of view, it sounded like a yin yang presentation. michelle obama really appealing to the heart, at times extremely emotional, talking about how she was inspired by olympics -- by the olympics, by watching the games on tv as a child, sitting on her dad's knee, never believing that someday the games could come to her hometown of chicago. and her father -- i'm sorry. barack obama appealing more to the head, making a very strong case, a logical case, saying that i am the president. the white house, the state department,