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Some of the biggest inventions in history started with someone being told they were wrong, and then not taking “no” for an answer. For Terry O’Reilly, those are the most captivating stories. In his new book,  Against the Grain: Defiant Giants Who Change the World,  the host of CBC’s ‘Under the Influence’, explores what we can learn from mavericks, including Taylor Swift — and why in a world where we always need new ideas to grow, our first instinct is to reject them.