U.S. President Donald Trump claims his perfect results from a recent cognitive exam demonstrate his 'extreme intelligence' — but that's not what the test is meant to measure at all. Andrew Chang breaks down the exam questions to explain what it's actually designed to do. Intro - 00:00 ‘Within normal limits’ - 01:06 (Photo credits: The Canadian Press, Reuters, Adobe Stock and Getty Images) »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS For breaking news, video, audio and

Tag-uri: Donald Trump