Africa's Bushmen face lifestyle threat  Updated October 22, 2007
08:17:00  They roamed the savannahs and open plains for
thousands of years, but the hunter-gatherer lifestyle of
southern Africa's San tribes is slowly being squeezed towards
extinction.  After clashing at the start of the last century
with German settlers in modern-day Namibia and then being
exploited by South Africa's apartheid regime in the 1980s, the
San, also known as Bushmen, are now threatened by the 21st
Century curses of unemployment, poverty, alcohol abuse and HIV-
AIDS.  While the plight of the San in Botswana made headlines in
recent months when authorities illegally evicted tribes from the
Kalahari, their kinsmen in Namibia and South Africa have fared
little better in protecting their traditional habitat.  A
glimmer of hope lies in tourism as operators discover the remote
part of Namibia where the likes of Gcao Nari, a grandmother of
the Juhoansi San tribe, showcase the ancient art of threading
ostrich shell beads.  But in a sign of