That someone was me and last Saturday my daughter and I headed for the Gauguin ex. at Tate Modern only to find massive queues and no tickets available, so we went to one on Bridget Riley at the National Gallery, which was small, scrappy, frankly disappointing and not a patch on an ex. of her recent work at the Walker Art Gallery, Liverpool, which I saw a year ago. Best thing in the afternoon was looking selectively at items from Tate Modern's permanent collection by Pollock, Kline, Rothko, Still, Newman, Léger and Braque.