CAPE TOWN (AFP) – US Secretary of State Hillary Clinton called on Saturday for a broad alliance with South Africa as she basked in a warm welcome from everyone from President Jacob Zuma down to street children as she visited Africa's wealthiest nation. A visibly upbeat Clinton shook her hips to the sounds of a street brass choir in the slums of Cape Town, where she was swarmed by women and children at a housing project she had visited more than a decade ago as first lady. Clinton is emphasising public diplomacy during her 11-day, seven-nation tour of Africa, hoping...