Ai Weiwei: The Liberty of Doubt review – so dull and sentimental it’s offensive

Kettle’s Yard, Cambridge
The iconoclast’s opposition to the Chinese state has been admirably brave. But this edgeless, confused and mawkish show suggests his art is less so In 1995 Ai Weiwei held up an ancient Chinese ceramic vessel, opened his arms to let it go, and stood there as it shattered. His new exhibition about craft and fakery includes a recent remake of Dropping a Han Dynasty Urn in Lego. It’s impressive how the black, white and grey Lego bricks create shadowy Warhol