People in the know in Iran report that the hottest subject of discussion among Iranian conservative leaders these days is the issue of who is to succeed Supreme Leader Ayatollah Ali Khamenei, who is said to be suffering from leukemia. The same individuals report that the person most likely to take Khamenei's mantle is Ayatollah Mahmoud Hashemi Shahroudi, the powerful chief of the Judiciary, whose tenure is scheduled to end within weeks.