I, too, have wondered where Clinton got the money, unless this thing is mortgaged to the hilt and/or the good people of Little Rock are dealing with a local sales tax to pay for it. Also, it costs the public $7.00 a pop to get in.
Of course, those options would be semi-legitimate. I'll bet some big Hollywood types ponied up, corporate cronies, etc. But knowing the Clintons, there is Asian money all over this...
According to Dick Morris, every cent was raised privately. Howver, according to the rules of Presidential Library Foundations they don't have to reveal where it came from (think China, think Marc Rich) and they are completely unrestricted in what they can do with it (think slush fund). True, the Foundation has a board but Clinton can fire and replace them with anyone he chooses. And Hilary can assign the Library personnel to any extra-curricular campaign activities she pleases.