REHOBOTH BEACH, Del. — Dogfish Head Craft Brewery is struggling to hire manufacturing workers for its beer factory and staff members for its restaurants in this coastal area, a shortage that has grown so acute that the company has cut dining room hours and is now offering vintage cases of its 120 Minute India Pale Ale as a signing bonus to new hires.The company is using its hefty social media presence “to get the bat signal out” and “entice beverage-loving adults” to join the team, Sam Calagione, the company’s founder, said on a steamy afternoon this month at Dogfish’s …
