The emoluments Clause of the Constitution prohibits this. It even says princes of foreign countries in it. How much clearer can it be? Donald Trump Jr andnd his family is in violation of the Constitution of the United States and for that reason alone should be impeached.
the only reason we know anything about this is that Trump does not own the hotel but only runs it, and I understand very badly for investors. In a letter to these investors the general manager wrote jubilantly how although the Saudi Prince did not stay at the hotel the Entourage did and this gave them a boost of 13% in the first quarter, a quarter which has been in the last 3 years a losing quarter for this hotel.