Legendary comedian and improv genius Colin Mochrie chats with Craig Thompson about what it's like to go on stage night after night without a script - and not knowing what might unfold.  The star of the long-running television series Whose Line Is It Anyway was in Stratford to launch the Canadian tour of Hyprov, a new stage show co-starring master hypnotist Asad Mecci that combines the power of hypnotism with improvisational comedy with hilarious results.