When the artist came home from LA, it seemed like a retirement. But it heralded an astonishing new chapter. Our critic remembers their thrilling dinners together – and the dazzling new works that arrived in his inbox every morning When the artist came home from LA, it seemed like a retirement. But it heralded an astonishing new chapter. Our critic remembers their thrilling dinners together – and the dazzling new works that arrived in his inbox every morning I t was springtime in Paris and I was