The Kurdish-inhabited region of northern Iraq has been relatively peaceful and prosperous since the fall of Saddam Hussein. However, the Iraqi Kurds' political autonomy, and territorial and economic demands, have caused friction with Prime Minister Nuri al-Maliki and other Arab leaders of Iraq, and with Christian and other minorities in the north. As the United States transitions to a support role in Iraq, these tensions are assessed by U.S. commanders as having the potential to erode the security gains that have taken place in Iraq since 2007. Some U.S.