African leaders and diplomats on Friday joined Zambia in mourning its founding president and liberation hero Kenneth Kaunda, who died last month aged 97 after a bout of pneumonia. “KK”, as he was affectionately known, ruled over Zambia from 1964, when the southern African nation won its independence from Britain, until losing an election in 1991. He died on June 17 in a military hospital in Lusaka. Kaunda’s casket draped in the green, orange, black and red national flag was driven into the main arena of the Lusaka show ground on a gun carriage by an army jeep. His son, Panji, wept, as did Kenyan President Uhuru Kenyatta. Other mourners waved white handkerchiefs, one of the most prominent idiosyncrasies of Kaunda, who after leaving office became a committed activist against HIV/AIDS. Althou...