Who's Afraid of Machiavelli?

Famous for lines like 'It is better to be feared than loved', Machiavelli's notorious book, 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?

Starring: Alan Yentob, Peter Capaldi, Hilary Devey, Alastair Campbell, George R.R. Martin