For a month-long run at the Waterfront Museum & Showboat Barge, the Bushwick based theater troupe, Cave Theatre Co., is giving a solid production of “Rosencrantz & Guildenstern are Dead,” the 1964 Tom Stoppard absurdist comedy whose characters, plot, and meaning are all wrapped up in its title. After the Waterfront’s ship captain removed the plank, and rang a bell […]