In the wake of a mass shooting at a high school in Parkland, Florida, the FiveThirtyEight Politics podcast devotes an entire episode to the debate about guns in America — what the public wants, how the politics of guns have changed and what Washington will do. Jill Lepore, a Harvard professor and staff writer for The New Yorker, joins to discuss how the National Rifle Association has affected views on gun rights since the 1970s.

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