The Straight State is the most expansive study of the federal regulation of homosexuality yet written. Unearthing startling new evidence from the National Archives, Margot Canaday shows how the state systematically came to penalize homosexuality, giving rise to a regime of second-class citizenship that sexual minorities still live under today.

Canaday looks at three key arenas of government control--immigration, the military, and welfare--and demonstrates how federal enforcement of sexual norms emerged with the rise of the modern bureaucratic state. She begins at...