Usar "interrogative mood" en una oración

1. It makes her think she’s been too hard on Charlie, though here Morris would shift back to the interrogative mood: Isn’t it possible this is just the ’70s talking? She’s never admitted to him that she voted for Jimmy Carter, whom he blames for abetting a culture of permissiveness, and now she wonders if he isn’t right, if this President isn’t too soft a touch