With performances from Peter Capaldi, imagine… marks the 500th anniversary of Machiavelli's notorious book The Prince. Famous for lines like 'It is better to be feared than loved', The Prince has been a manual for tyrants from Napoleon to Stalin. But how relevant is The Prince today, and who are the 21st century Machiavellians? Alan Yentob talks to contributors including Colonel Tim Collins, who kept a copy of The Prince with him in Iraq; plus Hilary Devey, Alastair Campbell and Game of Thrones writer George RR Martin.
The terrorist is by no means a new actor on the world stage. However, thanks to startling developments in military and communications technology, this perennial threat to freedom and security has taken a quantum leap forward during the past thirty years. In many cases, these vicious and determined men and women have supplanted nation states on the globe's "most wanted" list!
BBC world affairs editor John Simpson takes viewers behind the scenes of reporting from the frontline. He and his guests - Jon Snow, Christiane Amanpour and Max Hastings - discuss the difficulties, moral ambiguities and challenges of this increasingly dangerous job, with a series of clips from conflicts in the Falklands, Bosnia, Iraq and Syria, highlighting some of the best work of the past 50 years.