A baby may need what may be one of the most expensive medicines in the world in order to survive. Rhys Devine, of California, was born in December. After a few months, her mom noticed that something seemed to stunt her development. Rhys was unable to hold herself up like other babies her age. Her pediatrician believed it was Spinal Muscular Atrophy. Doctors told her parents about a new drug that could help, but it has hefty price tags. Inside Edition Digital’s Leigh Scheps has more.