Why doesn’t he challeng BOTH Bernie and Clinton to a debate for the $20 million dollars offered by Bob Arum?
“Boxing promoter Bob Arum offers $20M for Trump-Sanders debate”
http://www.freerepublic.com/focus/f-news/3434549/posts
You are not getting what Trump is doing - just talking about the debate is what Trump wanted - it diminished Clinton without him having to debate Sanders at all.