“A clown needs the audience’s help to deliver letters across time and space. Through joyful participation, you are invited to embrace the unexpected, explore the beauty of human connection, and make sure the postman completes his galaxy-spanning paper route.” There are some shows at the Fringe where you know exactly what you’re getting. TIME TRAVEL POSTMAN is not one of them. A clown. A pile of letters. A galaxy-spanning postal route. Time travel. Audience participation. And