By Kayla Kibbe The world first got a glimpse into the dark side of life as a Playboy Bunny back in 1963, when feminist writer Gloria Steinem wrote about her undercover stint as a Bunny at the Playboy Club in New York City in a two-part exposé for Show Magazine. Nearly 60 years later, the harsh realities behind the glamorous image of one of the 20th century’s most iconic sex symbols have once again come to light thanks to A&E’s new docuseries, Secrets of Playboy. Several former Playboy Bunnies (an oft-misused term that actually refers exclusively to the waitresses at the Playboy Clubs) spoke ou…