“The Russian government has urged museums to offer discounts to visitors with a World Cup Fan-ID, the special document that allows ticket-holders to enter the country without a visa.” The Tretyakov Gallery in Moscow will offer free admission to its 20th- and 21-century art wing for the next six weeks. But the director of the Hermitage Museum in St. Petersburg has curtly declined to make any such offer – and the way he explained his reasoning will not please Russian nationalists.