A special space is open on the walls of Adeline Vanderver, MD's, new office for a framed collage of "Commander" Massimo "Mo" Damiani, a toddler wearing an orange jumpsuit who looks ready to join a NASA astronaut team. Dr. Vanderver, a child neurologist and geneticist, helped to pinpoint his rare subtype of leukodystrophy, a group of inherited degenerative diseases that
