Ruth Migdal opens the door to her Gold Coast apartment with a smile. She sports bright blue eyeshadow and gold hoop earrings. Inside, large abstract canvases line the walls. She and her husband, an archaeologist, have more than 6,000 books in their collection. This is the home of an artist. A 90-year-old sculptor, in fact. And her newest piece, Red Tree Rising, is slated to be unveiled ...