This fine essay appeared in the NY Times Sunday Magazine, August 23, 2009. "In May, I was traveling down a South African
highway with a colleague and a driver, headed toward Swaziland. A
private foundation had assigned me to assess a health clinic that it
set up for truckers and the girls and women who trade sex with them for
cash and goods. Truckers are well known to transmit H.I.V. up and down
the highways. And Swaziland, a small, landlocked country dependent on
its busy trucking corridors, is particularly troublesome. It has the
highest H.I.V. rate in the world: one in three people is infected..." Full article "Truck-Stop Girls."