PORTLAND, Maine (AP) — From the cab of his seafood truck, Louis Giannola watches pedestrians wandering with their noses in their phones as shoppers, diners and frustrated motorists crowd Commercial Street on busy summer days. In Fall River, Massachusetts, the waterfront was developed as a tourist destination after state transportation officials concluded in 2013 that the city's Designated Port Area would not likely become an active industrial port. Bridgeport, Connecticut, where bananas and other imports were once unloaded, is now envisioned as a recreation spot with a promenade, water taxis and a fishing pier. Long before foodies put Portland's Old Port restaurants on the map, breweries popped up and cruise ships came a-calling, Portland Harbor was a major transportation hub with heavy freight coming and going on sailing ships. [...] one of the region's biggest law firms, Pierce Atwood LLP, moved to the waterfront.