On April 12, the Washington Post and New York Times broke – and really carefully soft-pedaled -- a story that a woman named Tara Reade had accused Joe Biden of a sexual assault dating from 1993. Some other mainstream news outlets covered the story as well (e.g., “NBC News Online” but evidently not broadcast) in a similarly dismissive manner. The Post put the small headline below the fold in its April 13 print edition. Conservative media immediately noted the obvious double standard between this skeptical reportage, and the hysterical “She must be believed!” coverage by the same outlets of much...