I’m always a sucker for stories that come from my home town, Boston, but this one is pretty neat. Andrew Shaughnessy is a 20-year-old kid in the Army for a couple years now. For a month after his recent deployment to Afghanistan, Shaughnessy performed more service, this time as a volunteer assistant coach at his alma mater, South Boston High School. Like many other inner city programs, Southie High’s football budget is minimal: low four figures, at best, and not allowing for many optional purchases, other than mandatory helmet reconditioning. Shaughnessy saw this, and he opened up his wallet: he…