Why Didn’t the Olsen Twins Didn’t Join the Cast of ‘Fuller House?’Why Didn’t the Olsen Twins Didn’t Join the Cast of ‘Fuller House?’It's been well documented that Mary-Kate and Ashley Olsen will not join the cast of the new Netflix series 'Fuller House.' The question has remained, "Why?" We now have an answer.Mandee MontanaMandee Montana