Adam Robison | Buy at photos.djournal.comWhen Tupelo neonatologist Dr. Bryan Darling first cared for twins Kasee, left, and Karlee Avery, there were no guarantees the twins, born just shy of 24 weeks gestation, below, would ever go home. Earlier this month, the girls, now Tupelo High School honor students and cross country runners, connected with their earliest doctor for a jog.