I never heard that. Link?
Donald Trump on Kentucky clerk: Same-sex marriage the ‘law of the land’
http://www.cnn.com/2015/09/04/politics/donald-trump-gay-marriage-kentucky-clerk-kim-davis/index.html
This link, I’m not going there, it’s gay news, but the headline is that Trump calls Same-Sex Marriage a “Dead Issue” http://www.advocate.com/donald-trump/2015/08/21/trump-same-sex-marriage-dead-issue
Discusses his views: http://www.freerepublic.com/focus/f-news/3293056/posts