Embser-Herbert explores the history of the policy of Don't Ask, Don't Tell, (DADT) the federal law restricting the military service of gays, lesbians, and bisexuals. In this narrative overview, she traces the policy from its origins in the early 1990s, through its evolution and implementation into law in the United States military, before evaluating the impact of post-9/11 events on the military, the policy, and the ongoing debate surrounding the existence of the policy itself as lawmakers consider its repeal.

Her three-part history of DADT begins with a brief look at earlier policies...