By Joseph Celia NEFJ Staff WALPOLE – Top-seeded Duxbury wasn't leaving its Division 4 state semifinal against familiar foe Tewksbury without a win on Saturday. On a crucial 4th-&-16th play, the Dragons' defense made a final stop that sealed a 28-21 win to advance to the MIAA D4 Super Bowl at Gillette Stadium. In a rematch of last year's state semis, Duxbury (10-1) took down the Redmen (8-3) again. This...