Spanning locations ranging from its mythical titular tropical island to the borough of Staten Island, and embracing such weighty topics as death and the passage of time, Roger Rosenblatt's Ashley Montana Goes Ashore in the Caicos...Or What Am I Doing Here? covers a great deal of physical and emotional geography. Even so, with all the journeying going on at the Flea Theater, there is no destination in sight. Rosenblatt has subtitled Ashley Montana "Almost a Play," and as a result many of its broad sketches seem unfinished, despite a solid cast