Defining Moments

Defining Moments: Capturing our changing world

July 31 - Harare, Zimbabwe: People line up to <a href='http://cnn.com/2013/07/31/world/africa/zimbabwe-election/index.html?hpt=hp_t1'>vote in general elections</a>, as President Robert Mugabe seeks to extend his time in power to a potential 38 years. Mugabe, 89, has been in charge of the country since 1980 -- the only leader the nation has known since it gained independence. His main rival, Morgan Tsvangirai, is the current prime minister.

July 31 - Harare, Zimbabwe: People line up to vote in general elections, as President Robert Mugabe seeks to extend his time in power to a potential 38 years. Mugabe, 89, has been in charge of the country since 1980 -- the only leader the nation has known since it gained independence. His main rival, Morgan Tsvangirai, is the current prime minister.