Aram Bakshian Jr.: ‘You’re More Powerful Than You Think’ book review

YOU’RE MORE POWERFUL THAN YOU THINK: A CITIZEN’S GUIDE TO MAKING THINGS HAPPEN By Eric Liu Public Affairs, $25, 222 pages Some years back, The New Yorker ran a cartoon showing a tour guide and his charges overlooking a ruined Mayan temple. Their civilization had died, the guide explains, after everyone became a motivational speaker and…