SAULT STE. MARIE, Mich. – David Kolb has been fishing the Great Lakes as both a tournament pro and a charter captain for over two decades. He spends most of his time on Saginaw Bay, the Detroit River, and Lake Erie. But when the National Walleye Tour, presented by Bass Pro Shops and Cabela’s, announced it would be holding a tournament on the Soo, Kolb couldn’t pass on the opportunity to compete in his home state of Michigan. It turned…