Anish Kapoor: 'Artists are not makers of luxury goods'

The artist on working with the world’s blackest substance, the troubled legacy of his Olympic sculpture and the state of the art world todayBritish-Indian artist Anish Kapoor, 66, is mounting his largest-ever UK exhibition of outdoor sculpture at Houghton Hall in Norfolk from late March, including his famous Sky Mirror, a five-metre stainless steel disc that turns the world around it upside down.What kind of things did you want to show at Houghton Hall?
It’s one of the great houses o