Who gets to have nuclear weapons and why?

Jul 30, 2025 #AJStartHere #CubanMissileCrisis #IsraelIranTensions
Israel and the US – both nuclear-armed states – recently attacked Iran. They said it was to prevent Iran getting a nuclear weapon, something Iran denies it’s trying to do.
What determines which countries can, and can’t, have nuclear weapons? And are we seeing a new nuclear race?

Chapters:
01:09 – How the Cuban Missile Crisis led to a new nuclear order.
01:58 – The Nuclear Non-Proliferation Treaty (NPT) and the nine nuclear-armed states.
04:49 – The key factors that affect a country’s calculation on nukes.
05:47 – Security: do nuclear weapons make a country more, or less, safe?
07:22 – The US nuclear umbrella – can it still be trusted?
08:10 – Do nuclear weapons enhance a country’s status?
09:40 – What’s going on with Iran?
14:32 – Who gets to police the global nuclear order?
14:52 – How the nine nuclear-armed states are increasing their spending on nukes.