Ripping up pictures of ANC leader Jacob Zuma and vowing to rescue South Africa from “warlords,” backers of a breakaway movement sought on Thursday to drum up support in the nation’s richest province. But underscoring deep tensions within the party that has dominated South African politics since the end of apartheid, Zuma supporters chanted angry slogans and tried to stop crowds entering the first big dissident rally in the Johannesburg area. (Full Story)