WIJFR: Heinlein time travel (and “Predestination”)

The other week I saw “Predestination,” a recommendation from Steve Gibson on episode #492 of his Security Now! podcast. The movie is a pretty good brain-twisting time travel romp starring Ethan Hawke and was based on a short story witten by Robert A. Heinlein in 1958. I’ve read Heinlein in the past (i.e., “Stranger in a Strange …

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