Yayoi Kusama: Beyond pumpkin and polka-dots

Pattern, colour and symbols — notably giant polka-dot pumpkins — are central to Japanese artist Yayoi Kasuma's work and her own iconic style. But there's much more to the artists eight-decade career, which is being celebrated world-premiere exhibition at the National Gallery of Victoria. Guest: Dr. Wayne Crothers, curator behind the exhibition at the NGV Producer: Lara Heaton