Early in the day, a London commuter shoved and insulted a business manager who got in his way. That afternoon, the business manager sent a quick Twitter message to his friends: “Guess who just showed up for a job interview?” When his explanation appeared on the Internet, people all over the world winced and smiled. Imagine walking into a job interview only to discover that the person who greets you is the one you had shoved and sworn at earlier that day.

Saul also ran into someone he never expected to see. While raging against a group called The Way (Acts…