Ivan Massow and the Chapman brothers debate conceptual art. But the exchange gets off to a rocky start, with the Chapmans firing back a dismissive shot: “We must apologise for agreeing to collaborate in a discussion on the merits and downfalls of modern art, since we now find ourselves forced to decline further participation. The first point of contact with Mr Massow has baffled us with so many negatives that any productive exchange seems doomed…”