Zambia's President Michael Sata -- nicknamed "King Cobra" for his sharp tongue and manner -- has died, according to officials, making his vice-president Africa's first white head of state in decades. Duration: 00:57
Zambia's President Michael Sata -- nicknamed "King Cobra" for his sharp tongue and manner -- has died, according to officials, making his vice-president Africa's first white head of state in decades. Duration: 00:57
