Footage of the 1968 Grosvenor Square demonstration in London, against the Vietnam War. Those taking part include protesters from CND (Campaign for Nuclear Disarmament), the Flower Children, and the Love and Peace movement.

First broadcast:
8 May 2007

Watch the clip and make a list of the conflicts that nearly broke out during the Cold War. Students could then research these for homework.

Students could consider if the nuclear threat still exists. "What was the Cold War and what were the consequences of it? Do we have a similar situation now? Are there any other alternative societies today?"