South Africa woes cast doubt on BHP spin-off success

[caption id="attachment_810453" align="aligncenter" width="600"] South32 chief executive-elect Graham Kerr.[/caption] Investors are growing wary of South32, the firm BHP Billiton (ASX, NYSE:BHP) will finish branching out by midyear, as the new company will rely heavily for earnings on South Africa, a region...