Gerrymanders aren’t just wacky lines on a map. By empowering ideologues and special interests, they thwart the common-sense solutions to tough issues that are favored by strong majorities of Americans. Gun violence protection is one such issue. Meet Bryan Miller, whose quest to redeem the murder of his brother Mike led him to big successes in one state capitol, but defeats and frustration in another. The difference between the two buildings, just a hundred miles apart: gerrymandering.