Ideas in Profile: Small Introductions to Big Topics In the first title of an exciting new series one of the world's leading political scientists asks the big questions about politics: what is it, why we do we need it and where, in these turbulent times, is it heading? From the gap between rich and poor to the impact of social media, via Machiavelli, Hobbes and Weber, Runciman's comprehensive short introduction is invaluable to those studying politics...