Performance: stage left, right and centre in the new Tate

The new Tate Modern opens in June with three weeks of live art and performance across all of the museum, with stress on the word all. None will be staged in a theatre space, however. My interest in performance comes from a perverse interest in not putting things in boxes, says Catherine Wood, the Tates curator of contemporary art and performance. Or not believing you can separate art and life. If you start looking at it, all post-war art has a relationship to the body. We want to show that. Som