A mom of two young kids was left stunned at what her toddler daughter did when her baby sister started crying. Kiera Crawford, from Scotland, was relaxing at home with her 19-month-old daughter Cadie when her 9-week-old sister, Hallie, became upset. “Cadie had just got up from her nap and was playing with her toys and my newborn started fussing for her dummy,” Crawford told Newsweek . Up until that point, Cadie had been largely oblivious to Hallie’s existence. “Cadie never interacted with her