Dan Cruickshank attempts to shatter the myth of Britain as an island fortress, revealing the stories of invasion attempts that have been written out of our history books.
With George Alagiah, Kirsty Lang.
The BBC's political editor is joined by Professor Peter Hennessy and Dame Stella Rimington to discuss the effects of the Cold War on Britain, plus how national security can be maintained within the framework of a liberal democracy.
A documentary that assesses criticisms of Henry Kissinger's foreign policies during the Nixon and Ford administrations. Kissinger was once branded a "war criminal" by British journalist Christopher Hitchens. This film examines his career as one of America's most successful statesmen and diplomats, winner of the Nobel Peace Prize in 1973.
Following the fortunes of two entrepreneurs, Tom Herman and Kaleil Isaza Tuzman, in their quest to develop a new media solution for connecting citizens with the US government via the internet. Will the project suffer the same fate as so many similar ventures?
One of three short films highlighting key BBC4 programmes.