"They've met the transvestites and transsexuals, sat with them on bright drapes and cushions, and heard about sex work. They've inspected the lifesaving beauty salon, where the transvestites get reminders about condoms while flowers are woven into their hair. Now they're on their way to call on female sex workers, who will greet them with heart-breaking personal stories and an ear-breaking drum troupe. But just for the moment they are stuck in traffic. So Bill and Melinda Gates are talking about their favorite subject: the world's biggest challenge and what can be done."

Link.