Libya's tribal structure plays a crucial role in its politics and now in the pro-democracy opposition movement as well.<br /><br />Muammar Gadaffi has, for four decades, been at the helm of a country that is described as one of the most complex tribal nations in the Middle East.<br /><br />Analysts say most of the major tribes are represented in the military but Gadaafi has long relied on his own tribe the Qathafa to staff elite security brigades.<br /><br />Al Jazeera's Charles Stratford has this report.
