Zimbabwe President Robert Mugabe is seen wearing a jacket...

LUPANE, BULAWAYO, MATABELELAND NORTH, ZIMBABWE - 2017/07/21: Zimbabwe President Robert Mugabe is seen wearing a jacket depicting him when he was younger at a Youth Interface rally. Mugabe seeking reelection in the upcoming Presidential elections set for 2018 has not nominated his successor despite his advanced age and deteriorating health. At 93, Robert Mugabe is world's oldest and one of the longest-serving presidents. He has ruled Zimbabwe for 37 years and he's no intentions of stepping down. (Photo by Zinyange Auntony/SOPA Images/LightRocket via Getty Images)