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

This clip could lead to a discussion about whether a nuclear threat still exists. What was the Cold War and what were the consequences of it? Do we have a similar situation now?