The politics issues investigated by The Big Question so far have been:

07-08-04 What is democracy?
14-08-04 Does democracy work?
21-08-04 What inspired Marx?
28-08-04 Can there ever be a classless society?
04-09-04 Why Are Americans so patriotic?
23-10-04 What swings elections?
22-01-05 Should Africa be left alone?
12-02-05 How important is America?
26-02-05 Is this China's Century?
05-03-05 How much choice do the people of China have?

Also on Open2.net...
Reith Lectures: The Climate of Fear - Wole Soyinka draws on his time as a political prisoner and compares the behaviours and motivations of the "quasi-states" who use terror to further their aims
Journeys In Thought - Jonathan Ree explores how travel inspired the politics and ideas of some of the great thinkers
The Mark Steel Lectures - Mark explores the sometimes surprising lives of political figures

Courses
If you'd like to take your interest in this area further, the Open University might have a course for you - regardless of where you live. Many OU courses are available worldwide, making use of the web, email and electronic conferencing. The exact range of courses available to you will depend on the country in which you live.