Nor is she the first person to scale down from a big house up North, although the swing from 3,000 square feet outside Annapolis to a Key West-size condo always presents challenges, especially in Geer's case because her place in the 500 block of Margaret is small, even among the most compact: Her 2-room/1-bath unit is all of 361 square-feet, not including the outdoor porch turned living room.Of co