Trump really said these things, on twitter:

The concept of global warming was created by and for the Chinese in order to make U.S. manufacturing non-competitive.

— Donald J. Trump (@realDonaldTrump) November 6, 2012

An 'extremely credible source' has called my office and told me that @BarackObama's birth certificate is a fraud.

— Donald J. Trump (@realDonaldTrump) August 6, 2012

Sorry losers and haters, but my I.Q. is one of the highest -and you all know it! Please don't feel so stupid or insecure,it's not your fault

— Donald J. Trump (@realDonaldTrump) May 9, 2013