The trial of a man accused of killing Marike de Klerk, South Africa's former first lady, has begun in Cape Town Marike de Klerk was killed in her beachfront home Luyanda Mboniswa, a security guard at Mrs de Klerk's luxury beachfront apartment, had the charge of rape added to that of murder as the trial got underway. The ex-wife of former President FW de Klerk was discovered dead in her apartment in Tableview, just north of Cape Town, in December last year. She had been stabbed in the back and strangled in a vicious attack. Unclear motive FW de Klerk...