Study: Potential oil spill threatens 700 miles of Michigan coast

WZZM13.com: "If Canadian oil transport giant Enbridge's twin, 62-year-old underwater pipelines in the Straits of Mackinac were to burst, areas from Harbor Springs on the Lake Michigan side down to Saginaw Bay and the Thumb area on the Lake Huron side could be affected by the escaping oil, the latest computer modeling research shows."