Alison Klayman on 'Ai Weiwei: Never Sorry' Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Chinese Artist Ai Weiwei holds some seeds from his Unilever Installation 'Sunflower Seeds' at The Tate Modern. ( Peter Macdiarmid / Getty ) Produced by Kristen Meinzer Produced by PRI and WNYC