MOSUL, Iraq -- Expecting headaches and maybe worse from unruly factions of Kurds and Saddam Hussein loyalists, American soldiers began a campaign Wednesday to stabilize and administer this northern Iraq city. Instead, they were met with flowers and friendly greetings. No one can be sure it will last, but for now a task force of troops from the 101st Airborne and 4th Infantry divisions plans to impose order swiftly in Iraq's third largest city. That task force rushed here over the weekend after a small Marine force that had occupied the city's airport reported factional fighting among Kurds and sniping...