A 10-year-old Cambridge boy, who received national recognition following a Cambridge Chronicle story about his organization Liam’s Lunches of Love, was recently honored by the Boston Celtics for his work with those in need. Liam Hannon, a fifth-grader at the Morse School, was honored as a “Hero Among Us” during the Boston Celtics game against the Phoenix Suns on Dec. 3. Liam, with the help of his family, makes homemade lunches and passes them out to the homeless near his Ce