A clay cylinder dating from the time of one of Persia's greatest rulers, Cyrus the Great, has been returned on loan to Iran following a prolonged dispute with the British Museum in London. In February Iran threatened to cut ties with the British Museum in protest to what it called politically motivated delays in returning the cylinder. However the museum says the delay occurred so that the cylinder could be compared with two stone tablets that were recently discovered. British Museum director Neil MacGregor says the cylinder has plenty of historical significance. "It's about Cyrus's respect for different peoples and...