A new Netflix movie depicts a US president with barely quarter of an hour to decide whether a nuclear missile attack is real and how to respond. Defence analyst Francis Tusa considers how Britain or its allies might react to this no-longer-fanciful threat

A new Netflix movie depicts a US president with barely quarter of an hour to decide whether a nuclear missile attack is real and how to respond. Defence analyst Francis Tusa…

Let's break down the real science behind Netflix's new movie \