 Former South African President Nelson Mandela criticized Zimbabwe's President Robert Mugabe and labeled him as a "tragic failure of leadership." Mandela expressed his sadness over the political and economic chaos that now rocks South Africa's biggest neighbor to its north west .
<fluency>  Former South African President Nelson Mandela criticized Zimbabwe's President Robert Mugabe and labeled him as a "tragic failure of leadership." Mandela expressed his sadness over the political and economic chaos that now rocks South Africa's biggest neighbor to its north west .
 Former South African President Nelson Mandela criticized Zimbabwe's President Robert Mugabe , labeling him a "tragic failure of leadership." Mandela expressed his sadness over the political and economic chaos that now rocks South Africa's biggest neighbor to its north west .