AP stylebook now allows the "singular they" in some instances
by Cory Doctorow from on (#2H1HY)
The use of "them" as a gender-neutral pronoun goes back hundreds of years, but the weaponizing of grammar as a way to tell people how to talk (rather than a way to understand what speakers are saying) made the practice anathema, creating strong headwinds for people looking to adapt usage to accommodate a spectrum of gender identities. (more")