Ten years ago, U.S. ambassador to the United Nations Samantha Power, in a Harvard Kennedy School Commencement address, told the graduating students that democracy is self-correcting. Calling for the strengthening of human and civil rights at home and abroad, she said: Democracy wins out in the long run because it offers a chance to fix its own mistakes. It is the only system built on the premise that if something is not working, people can actually correct it, from the bottom up. Democracy works best when people are given the opportunity to constantly monitor and repair the kinks in the machin…