She has been competing internationally since age 14 and now, at 42, swimmer Dara Torres has 12 Olympic medals from five summer Olympics to her name. From Seoul to Barcelona to Sydney, the mother of 3-year-old Tessa continues to travel and flex her swim muscles. She's doing a mini-tour in support of her new book, "Age Is Just a Number," and is living and training in Florida, hoping to qualify for the swimming world championships in Rome this summer.