Arne Glimcher

The conceptual artist Ai WeiWei illustrates the schizoid society that rapid change has produced - sometimes by reassembling Ming-style furniture into absurd and useless arrangements, or by carefully painting and antiquing a Coca-Cola logo on an ancient Chinese pot.

The '80s market was only a Japanese market. It was the Japanese outbidding each other for the most expensive works of art. When the Japanese economy went down the tubes, there was no one left to pay the prices that have been recorded for all of those works.

As England manager I always felt we needed an extra man in midfield to retain the ball, but that was more as an attacking ploy to help create opportunities. It came from my experience playing international football in a 4-4-2 and spending half my time chasing the ball.