business relationship with the president of the united states. well, for more we're joined by former ethics star in the obama administration and now cnn contributor norm isom. you're part of a legal team filing suit against president trump alleging he's violated the imam umts clause within the constitution. good to see you. with that in mind, how does all of this fit into the clause in the constitution which prohibits the president from accepting payments or gifts from a foreign government? >> thanks for having me again, john. and the framers of the united states constitution, the founders of our country were so worried that a foreign government would try to extend things of value to an american president and distort his judgment that they put a ban on it in our constitution. that's the emoluments claus. it's a fancy 18th century word