It's not necessarily about taxes, the marginal utility of money is basically 0 at his level. I'm guessing he just wants a guarantee of being able to get into th

It's not necessarily about taxes, the marginal utility of money is basically 0 at his level. I'm guessing he just wants a guarantee of being able to get into the EU in case the political polarization in the US boils over. I certainly would, if I were him, especially given the steady drumbeat of demonization of the rich in the media.