This blog, the first in a two-part series, cuts through some of the traditional thinking on the Korean crisis.
This second blog on the situation in and around Korea, and its implications for international
security, puts forward ideas on how the US and Canada and their Allies can rise to this challenge.
Seventy years ago the first nuclear weapon was used in war. This blog looks back at the decision to drop the bomb on Hiroshima and reviews how the nuclear issue has evolved in the interim.