The best mornings for Sam Calagione, a tie-dyed-in-the-wool Deadhead, begin on the 19-foot whaler he takes out on the Atlantic, where he can fish and listen to the Dead. After carefully navigating the canal near his Delaware home to the right spot, he drops anchor, hits shuffle on one of the three iPhones he’s brought with him (he has two backups in case he drops one) and waits for the stripers to bite. Then the charismatic brewer, who co-founded Dogfish Head Craft Brewery with his wife, Mariah, in 1995, can work on his tan, sip a beer, and live the Dead.  “I try to listen to the Dead for at least an hour a day,” he says, grinning, on a visit to Rolling Stone’s midtown Manhattan office, where he relaxes in a small conference room after admiring the iconic photos the magazine has on its walls, including one of Jerry Garcia & Company.…