Art, Colonialism and Change J.M.W. Turner and Ellen Gallagher. Joshua Reynolds and Yinka Shonibare. John Singleton Copley and Hew Locke. Past and present collide in one powerful exhibition. This spring, RA brings together over 100 major contemporary and historical works as part of a conversation about art and its role in shaping narratives of empire, enslavement, resistance, abolition and colonialism – and how it may help set a course for the future. Artworks by leading contemporary British artists of the…