Evolution of the Shrug: Darwin's Principle of Antithesisbr The New York Public Library - New York Public Librarybr Adam Gopnik, author of Angels & Ages, A Short Book About Darwin, Lincoln and Modern Life and Steven Pinker, author of The Blank Slate and many other works, discuss a fundamental question: How far can Darwin take us as a guide to why we are the way we are?Both outspoken appreciators of Darwin, Adam Gopnik and Steven Pinker will compare their visions -- perhaps complementary, perhaps contrasting -- of what Darwin's legacy is on the two hundredth anniversary of his birth.