The public is mourning the death of a 7-year-old girl from Lunenburg, Massachusetts. Hadley “Haddie B.” Boucher, a first-grader born in 2018, died on May 27, according to her obituary. She had an inoperable brain tumor. Lunenburg Public Schools announced this week that the district would have a half day on Friday to allow school staff to attend her funeral services. “As you know, our community is deeply mourning the heartbreaking loss of our bel…