Iran is reacting sharply to U.S. Secretary of State Hillary Clinton's remarks that the Persian state is becoming a military dictatorship. Iran's supreme leader, Ayatollah Ali Khamenei, accuses Clinton of spreading "lies" and the United States of turning the region into a so-called "arms depot." But several Washington-based analysts on Iran back Clinton's assertions. Iran's Revolutionary Guard was formed in 1979 to protect the Ayatollah Ruhollah Khomeini's Islamic Revolution from the Shah's army. Now U.S.