South African anti-apartheid activist Mamphela Ramphele, left, greets Helen Zille, right, the head of the South African Democratic Alliance political party during a press conference in Cape Town, South Africa, Tuesday, Jan. 28, 2014. The former anti-apartheid activist who was close to Steve Biko and was a World Bank executive merged her party Tuesday with South Africa's main opposition party, the Democratic Alliance, and will be its presidential candidate, challenging the ruling African National Congress whose popularity has eroded amid corruption scandals and other problems. (AP Photo/ Nardus Engelbrecht)
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