Our cover story, a conversation between Agnes Gund, the great collector and activist philanthropist, and Mark Bradford, the great artist and activist philanthropist, in which the two friends talk mostly about social justice and their work on its behalf in the world beyond what is often seen as the art world’s border, a distinction that both — along with a growing number of their counterparts — see as specious. As the artist Nayland Blake wrote recently on Twitter: ‘The point is not to make an art world of absolute moral purity. The point is to stop pretending that you don’t have to answer to your fellow citizens once you step inside of a museum.’