In the wake of the death of Marion Barry, the former Mayor of Washington, DC, one of the most striking revelations was how many people had believed at one time that he was actually a husband-and-wife couple named “Mary and Barry.” Aaron Naparstek, founder of Streetsblog, tweeted about this misconception and then discovered that lots of other people had also mentioned it. The sociolinguist David Bowie mentioned that as a child he thought