Three-year-old Tristan Witt enjoys watching his brothers play, but behind those sweet eyes is a devastating diagnosis. "The main aspect is that he struggles to learn. Even if we spend weeks or months learning a specific skill, and he does finally seem to learn it, within a couple weeks if we spend weeks, it just disspears," said Tristan's father, Kevin Witt. Full story on CBS8.com: https://www.cbs8.com/article/news/local/encinitas-family-needs-1m-to-treat-their-son-battling-disease/509-844e6850-e180-4b92-a760-f4ec003866c8