A nuclear war expert has revealed the safest place in the world to live if the worst were to happen. Terrifyingly, 60 per cent of the world's population could be wiped out within the first 72 minutes of a nuclear weapon attack, according to the specialist. Author and investigative journalist Annie Jacobsen has disclosed exactly what could happen in the event of an attack, and who would be most protected geographically. Last year, Annie, 57, appeared on Steven Bartlett's podcast, Diary Of A CEO,