Those who believe the tripe Mandela is spewing are never going to be convinced by anything the White House says.
Those who do not agree can see clearly that Mandela is an idiot.
So your enemies stray farther and farther from reality until they are in their own worlds of delusion, and fair minded people are bound closer to you. It's win/win.
All you have to do is not let your ego get involved. Something Clinton, for one, could never do.
Damn well put Gridlock!