The manager of Manhunt.net on the HIV “super-strain,” unsafe sex, crystal meth, and corporate—and personal—responsibility. The news that a New Yorker had contracted what appears to be an especially fast-acting, medically impervious form of HIV put the three-year-old gay-personals site Manhunt.net on the front page of the Times, and on the defensive. Along with AOL chat rooms, the popular site was repeatedly cited as a place where men arrange to have sex with other men (although the actual site, or sites, where this man met some of his “hundreds” of unsafe-sex partners while bingeing on crystal meth, has not been...