Ai Weiwei webchat – live now

The controversial Chinese artist is with us now to answer your questions in a live webchat – post yours in the comments below 12.07pm BSTAnd he is exposing himself to your questions.9.58am BSTFrom his vast sea of sunflower seeds in Tate Modern, to his vision for the Bird’s Nest stadium in Beijing, Ai Weiwei’s art is arresting in its scale, moving in its humanity, witty in its iconoclasm – and strident in its politics.His art and campaigns – including the naming of s