In 1st Presidential Debate, Trump Denies - 3 Times! - His Self-Documented Statement About Hoax

At New York debate, Donald Trump denies saying climate change is a Chinese hoax. In fact, he flatly denies the objective truth of what he tweeted three times!?! Can Devious Donald be trusted about anything?

http://www.politifact.com/truth-o-meter/statements/2016/sep/26/donald-trump/donald-trump-denies-saying-global-warming-chinese-/