If your willing he’s able, if you’re arrogant enough to believe he can’t, he will. Derren Brown is consummate at what he does, and though very few of us have any idea ‘what’ that is exactly, there is no denying the hypnotic quality of his elaborate mind games; like a very clever head f*!k version of ‘you’ve been framed’. Stephen Fry and Martin Kemp, amongst others, make the classic egotists mistake of volunteering to be messed with by the ‘man’.