tonight's main attraction, the former president bill clinton. we're also learning new details about what he will say. plus, a sudden change of plans. how organizers here in charlotte expect to deal with thousands of people now left out of the convention's last night. i'm wolf blitzer in charlotte. and you're in "the situation room." >>> their lives have been intertwined for years. not always necessarily on the friendliest terms, but when former president bill clinton takes the stage here tonight, he's certain to make a strong case for a second term for president obama. cnn's dana bash is learning details about what the former president has to say in his convention speech later tonight. dana, what are you picking up? >> well, i've talked to several officials who are familiar with what president clinton is going to talk about skematically. the whole idea, the whole reason why the obama campaign asked him