Shields of the Republic"Rapp Hooper takes on directly and convincingly the Trumpian critique that alliances are not worth the investment and have led the nation to fight other people's battles for them Her deep erudition, crisp prose style, and innate brilliance shine through on most every page." Boston Review "The threat of COVID 19 has bolstered her argument, making plain both the importance of the alliance system and the imperative to adapt alliances to new ends."