NELSPRUIT, South Africa – Heidi Le Roux sat weeping in her spacious farmhouse on the South African veld as the leaves turned gold and saffron in the glorious autumn twilight. Blonde and pretty, boasting of three young, healthy children and a devoted, hard-working husband who runs a huge multi-million dollar sugar and macadamia farm, it would seem that Heidi's life is a page out of apartheid's "glorious" past. It is a not-too-distant past when farmers were the "lords of the manor" and the future seemed bountiful and perhaps even endless. In the "New South Africa," however, nothing is as is...