Hurricane Ivan Batters Grand Cayman GEORGE TOWN, Cayman Islands - Hurricane Ivan battered the Cayman Islands with ferocious 150-mph winds Sunday, threatening a direct hit as it flooded homes and ripped up roofs and trees three stories high.    Ivan has killed at least 60 people as it has torn a path of destruction across the Caribbean and was headed next for western Cuba, where it was expected to hit Monday, and could brush the Florida Keys and parts of Florida's Gulf Coast...