But it was impossible to talk to him about his time in isolation without seeing that it was fundamentally no different from the isolation that Terry Anderson and John McCain had endured.

NEWYORKER: Hellhole

He will serve his sentence at Oslo's high-security Ila Prison, where he has been held in isolation for most of the time since his arrest.

BBC: Anders Behring Breivik: Norway court finds him sane

First-time CEOs are particularly susceptible to this isolation.

FORBES: Do You Feel Lonely As A Leader? Study Says You're Not Alone.