"Early in the 1980s AIDS epidemic, six gay activists created one of the most iconic and lasting images that would come to symbolize a movement: a protest poster of a pink triangle with the words "Silence [equal to] Death." The graphic and the slogan still resonate widely today, the latter an anthem for AIDS activism, and are often used--and misused--to brand the entire movement, appearing in a variety of ubiquitous manifestations. Cofounder of the...