The Art Newspaper – Post-war American art has taken centre stage in London in the past months thanks to blockbuster exhibitions at the Royal Academy (Abstract Expressionism, which closed on 2 January) and at Tate Modern (Robert Rauschenberg, which closes on 2 April). Now the market is following suit, with a work by each of these artists leading Christie’s Post-war and contemporary evening sale in London on 7 March. read more