GROTON, Conn. (AP) – Artists in southeastern Connecticut are being called upon to design sculptures of submarines for a public art project celebrating 100 years of subs in the Groton area. The Connecticut Sub Trail will showcase 20 miniature fiberglass submarine sculptures, each about 5 feet long. They’ll be officially displayed at the Groton 4th of July Parade. Art teacher Joy Supples proposed the idea. Supples works for Ella T. Grasso Southeastern Connecticut Technical High …