YAWN
Precisely. Not even anything illegal asserted here. Completely consensual even if it did happen—over 10 years ago.
Who knows? Maybe Donald and Melania have some kind of "open marriage" arrangement going on. It certainly has nothing to do with the price of tea in China.
One thing for sure, though—if Steve Bannon is going around stirring up such stories, I'm losing more and more respect for him on a daily basis...