Far from being risky, conscience has proved lucrative for impresarios. Last year’s hit political plays were mostly built on verbatim evidence with a bit of spin and make-believe thrown in. This year, the formula has changed. Donald Rumsfeld look-alikes are out. The arts have stopped grumbling about the results of bad political decisions and moved towards driving the agenda. Still, two can play at that game. As artistic directors wrestle with the great social issues of the day, Tony Blair has, in a modest way, been dabbling in culture.