It was a bittersweet moment for a North Dakota mother who gave birth to twin girls just months after losing her two sons in a car crash. Trista Curry said she was driving home to Fargo from Minnesota, where she was visiting her mother, when her car collided with a truck. Trista and her daughter Avalon, 3, were injured, but survived. Her sons Camden, 9, and Maxwell, 18 months, died in the crash. InsideEdition.com's Mara Montalbano has more.