The one essential of any theatrical production is its telling a good story. Doing exactly that, and succeeding wonderfully at it, is the Congress for Jewish Culture’s all-new dramatization of Itzik Manger’s 1965 production, “Megillah Cycle;” it is now available for streaming. Billed as a modernist take on the traditional Purim play, it recounts a tale of deliverance for the Jewish people. This tale “of heroes and villains, of sorrows and glory,” takes place in a land ruled by King Ahasuerus (Mike Burstyn), a drunken fool. For all of his faults, Ahasuerus knows the value of having friends in the right places. So when Jewish merchant Mordkhe the Wise (Allen Lewis Rickman) informs the king of an assassination plot, Mordkhe is handsomely rewarded—the king gives him a palace soft drink and dry goods concession. Mordkhe’s good fortune however, does not please Haman (Avi Hoffman), a troublemaker and member of the …