Listener Mail: The Looming IATSE Strike, a Sunglasses Cartel -- and why do UFOs need lights?

Multiple listeners in the entertainment industry write in about a looming, massive strike as TV/Film professionals fight for better working conditions. Another Conspiracy Realist asks whether a monopoly controls sunglasses. And here's a question -- if a UFO could travel intergalactic space, why would it need lights? All this and more in this week's Listener Mail.
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