You’re crazy – that never happened.” “Are you sure? You tend to have a bad memory.” “It’s all in your head.” The term “gaslighting” has gotten thrown around a lot recently, mostly in reference to people in power claiming something had (or hadn’t) happened, and refused, when confronted with contradictory evidence, to acknowledge otherwise. It is a common technique of abusers, dictators, narcissists, and cult leaders to make a victim question their reality. The term Gaslighting comes from the 1938 stage play Gas Light, in which a husband attempts to drive his wife crazy by dimming the lights (which were powered by gas) in their home, and then he denies that the light changed when his wife points it out. In 1944, the play was made into a movie of the same name. The film was nominated for seven Academy Awards, including Best Picture, Best Actor, and Best Screenplay; winning two for...