The rising Democratic star was found in a Miami Beach hotel with a male sex worker and suspected drugs. To keep their marriage together, he and his wife, R. Jai, had to embrace a new dynamic of “radical honesty” in their relationship.

Why do America’s black gay and bisexual men have a higher H.I.V. rate than any country in the world?

How activists are using science to show that someone can be truly attracted to both a man and a woman.