“The Eagle and the Trident: U.S.-Ukraine Relations in Turbulent Times,” by Stefen Pifer, Washington: Brookings Institute Press, 2017. 366 pp. ISBN: 978-0-8157-6040-8 ($29.99 hardcover), ISBN: 978-0-8057-3062-0 ($29.99 e-book). “The Eagle and the Trident” provides the first comprehensive account of the development of U.S. diplomatic relations with an independent Ukraine, covering the years 1992 through 2004...