SHOWCASING VEGGIES: Local 121 buys all its food from local farms and vendors, so it's fresh as can be. /
If Local 121 were “just any other restaurant,” said Tree Callanan, “I wouldn’t have become involved.” But Local 121, which opened last month in AS220’s mixed-use Hotel Dreyfus building at 121 Washington St., has a special mission. While most food establishments get their supplies from major distributors that truck it across the country, Local 121…