(OSV News) — The waters of the Straits of Mackinac between Lake Huron and Lake Michigan present themselves in beautifully variegated blues. Dark indigo, rich cobalt and bright turquoise greet the passenger ferries as they sail toward the pebbled shoreline of Mackinac Island. As the boats near the docks, the well-kept, sloping green lawn of Marquette Park comes into view. There, in stoic dignity, stands a tall, handsome bronze statue of the man f…