"Evil is a make-believe concept we've invented to deal with the complexities of fellow humans." A progressive young American couple was killed in an Islamic State-claimed terrorist attack last month while on a bike trip around the world. Jay Austin and Lauren Geoghegan, who were both in their late 20s, quit their jobs in 2017 to embark on a trip around the world. Austin, a vegan, and Geoghegan, a vegetarian, decided that they're were wasting their lives working. "I’ve grown tired of spending the best hours of my day in front of a glowing rectangle, of coloring the best years...