3 questions we should ask about nuclear weapons | Emma Belcher

There are more than 10,000 nuclear weapons in existence today, each one capable of causing immense destruction. Why don't we talk about this threat as much as some other major issues? In this practical talk, nuclear security expert Emma Belcher shares three questions you can ask your elected officials to gain a better understanding of the state of nuclear weapons and the measures we need to stay safe.
by contact@ted.com (TED) via TED Talks Daily (SD video)