Giggling and blowing kisses to photographers, Peru's 19-month-old "miracle baby" was presented to the public Tuesday by doctors six months after surgery to separate her fused legs. Milagros Cerron, whose name means "miracles" in Spanish, was born with a rare congenital defect known as sirenomelia, or "mermaid syndrome." Her successful operation in June captured the interest of the world. Affectionately called "the little mermaid" by Peruvians, Milagros wore a pair of tiny blue jeans Tuesday as she played among dozens of brightly colored plastic balls. Dr. Luis Rubio, head of a team of surgeons who operated on in June, said...