Comic book writer Grant Morrison in the tag talk show, where the guest is next week's interviewer. From January 2014.
Chain Reaction is Radio 4's long running hostless chat show where last week's interviewee becomes this week's interviewer.
The chain continues this week with comedian Frankie Boyle talking to comic book legend Grant Morrison.
They talk Batman, where ideas come from and the future of humanity.
Producer ... Carl Cooper.