Fact check: The ‘King of Whoppers' for 2015 is Donald Trump

"In the 12 years of FactCheck.org’s existence, we’ve never seen his match. He stands out not only for the sheer number of his factually false claims, but also for his brazen refusals to admit error when proven wrong."
http://www.usatoday.com/story/news/politics/elections/2015/12/22/fact-check-king-whoppers-2015-donald-trump-hillary-clinton-race-for-president/77730672/