"Basically, a tumor grows on the front portion of the brain." She points to just above her forehead. "That part of the brain houses your inhibitions center, things like that. The tumor adversely affects your behavior. Denethor may have been as much a victim as anyone else, especially as I doubt very much they could have diagnosed or treated his problem."

She shrugs. "But I'll still cheerfully hate him, tumor/palantir induced insanity or no."

She laughs. "I'll stay out of it. Don't want to be crushed. And he would probably consider it inappropriate for me to do anything of the sort anyway."