“Ana­lyz­ing humor is like dis­sect­ing a frog,” said E.B. White. “Few peo­ple are inter­ested and the frog dies.” Sure enough, humor, that most inef­fa­ble of human art forms, has long eluded the efforts of psy­chol­o­gists to describe it. So we turned to the real experts—comedians, actors, and satirists. Our round table con­sisted of Todd Todd …