Persons of the Year: Lynnfield’s Kathleen Walsh knows the Y and wherefores

LYNNFIELD — In early July, the sign on the door of the Torigian Family YMCA said it all — We’re back. After a 16-week closure due to the coronavirus pandemic, the Torigian YMCA was the first of four operated by the YMCA of Metro North to reopen to the public since life as we used…