On this date in 1896, during a driving Adirondack snowstorm, Bartholomew “Bat” Shea was electrocuted at New York’s Clinton Prison for a political murder two years prior. This was the great boom time for machine politics, corrupt political patronage networks doling “spoils” like jobs and benefits to members who in turn maintained a party’s stranglehold on an electorate. These flourished in an industrializing America’s burgeoning cities; Troy, N.Y., at 60,000-plus in the 1890s (it has fewer than that today), was one of upstate New York’s prime industrial centers, and home to a municipal machine rooted in Irish Catholic immigrants and...