The Metropolitan Museum of Art is being accused of “secretly” selling a Van Gogh masterpiece looted from Jews fleeing the Nazis — and trying to organize a cover-up designed to last for 100 years. The museum is being sued by a Jewish family who owned “The Olive Picking” before World War II and want it back. It could be worth $70m. The painting was bought by the Met in 1956 from Brooke Astor — the socialite who died aged 105 in 2007 — then sold secretly in 1972 and vanished from public view. It only surfaced in 2019 in the...