By Kerry Gorgone, {grow} Contributing Columnist Jesse Cole had a vision. Professional baseball had failed in the American city of Savannah for 90 years, but Jesse thought maybe college summer baseball could work there. This was no capricious whim. The move took planning and money. Jesse had to buy an expansion franchise that cost hundreds of thousands of dollars. People thought he was bananas, to put it mildly. But he believed in his vision. Even as his six-person staff gathered…