The Republican billionaire isn't fond of any of the remaining GOP candidates. He also said that in some ways Bill Clinton was a better president than GW Bush. Well...DUH!!!
http://abcnews.go.com/Politics/charles-koch-stop-donald-trump/story?id=38619453
http://abcnews.go.com/Politics/charles-koch-stop-donald-trump/story?id=38619453