As if CIT didn't have enough problems digging itself out of a credit morass, now it has Carl Icahn to contend with. Troubled by what he sees as sweetheart deals between CIT and its largest creditors, at the expense of the little-guy bondholder, Icahn has offered to underwrite the $6 billion the small-business lender says it needs to survive. Icahn's offer sent CIT shares soaring by double digits ... to well above a dollar.