This might be a bit cynical of me but I'm quite convinced that if a rich foreigner wanted to become an American citizen that wouldn't be much of a problem.
Steve Jobs for example got Feist, American citizenship: http://www.tuaw.com/tag/leslie-feist/ it's not the same thing but there obviously has to be different channels to go through for the wealthy.
Steve Jobs for example got Feist, American citizenship: http://www.tuaw.com/tag/leslie-feist/ it's not the same thing but there obviously has to be different channels to go through for the wealthy.