Bookstore owner Amy Kane says New Orleans is a feast for the senses, including the sounds of train whistles, foghorns and church bells. She recently returned from a two-week visit to the Crescent City, taking in its legendary music and restaurants while visiting recent Haines residents Amy Mae and Steven Villano.Amy works at a municipal botanical garden and Steve is sculpting Mardi Gras Parade floats. Highlights included sampling the gumbo at the restaurant MRB…