Sally Snowman, keeper of Boston Lighthouse, lowers the American flag, Monday, Aug. 8, 2016 on Little Brewster Island in Boston Harbor.  (U.S. Coast Guard photo by Petty Officer 3rd Class Andrew Barresi) by Petty Officer 3rd Class Andrew Barresi The lighthouse stood tall atop the small rocky island in Boston’s outer harbor. Its profile against the horizon could be seen from a distance and grew larger...