US museums’ Cuban dreams deferred

US museums have been dreaming of ambitious exchanges with Cuban institutions since the two countries renewed diplomatic ties last year. But they may have set their sights too high. Snarls in securing loans from Cuban state institutions caused an exodus of benefactors from the Bronx Museum of the Arts in New York. Other US institutions are now bypassing government collections in favour of more reliable sources.In August, the chairman and five other trustees left the board of the Bronx Museum, ci