Is there anything more inextricably linked with the state of Maine than the lobster? For visitors, it’s an icon emblazoned on souvenirs and sought out at waterfront shacks. For Mainers, it's a lifeblood: Yards piled with traps and harbors bobbing with colorful buoys signal the endurance of a centuries-old trade. In the heart of Portland, in a plaza near the Old Port, the Maine Lobsterman statue stands as a celebration of that trade. It portrays a lobsterman at work, kneeling (a bit of art...