Votes were still being counted Thursday evening in South Africa’s parliamentary elections, but the ruling African National Congress was already celebrating what party officials predicted will be a crushing victory. Presumed president-to-be Jacob Zuma — an ethnic Zulu whose flamboyant style sits in contrast to more staid predecessors Nelson Mandela and Thabo Mbeki — led a raucous rally in Johannesburg, telling thousands of cheering supporters the ANC will outstrip its goal of two-thirds control in parliament.