On Saturday thousands of Muslim worshippers descended on Istanbul's world famous Hagia Sophia, the towering former Byzantine church that is now a museum, to demand the right to pray there, Turkish media reported. An imam led a prayer in front of the vast building that was once a Greek Orthodox basilica, then a mosque and now a museum before crowds called for it to be restored as a Muslim place of worship. "Let the chains break, open Hagia Sophia," chanted the crowds who gathered on the plaza in front of the museum, according to Turkey's Dogan news agency. "In the...