Liberals Rick Caine and Debbie Melnyk are disappointed after investigating Michael Moore. "But according to Mr. Caine, 46, an Ohio-born journalist and cameraman, the freewheeling persona cultivated by Mr. Moore, and the free-thinking rhetoric expounded by his friends and associates were not quite what they encountered when they decided to examine his work. 'As investigative documentarists we always thought we could look at anything we wanted,' Mr. Caine said. 'But when we turned the cameras on one of the leading figures in our own industry, the people we wanted to talk to were like: "What are you doing? Why are...