Atheism is on the rise in the United States, especially among young people. What accounts for the rise, and how can America’s atheists find a common ground for questions of morality? Joy Cardin’s guest, a humanist chaplain, says atheists should be defined by what they believe in, not what they don’t believe in. He shares suggestions for “non-Commandments” for nonbelievers, and offers listeners advice for finding their own innermost beliefs.