Maine's latest fleet is fresh from the vegetable patch

Shipbuilders in Maine are preparing to launch a fleet that has spent most of its life growing in a field. Damariscotta's annual Pumpkinboat Regatta returns this Sunday, with costumed competitors racing hollowed-out giant pumpkins across the town's harbour. Some rely on paddles. Others attach outboard motors, giving the vegetable patch its own powerboat division. Boat…