In the June–July 2017 issue, Hal Brands and Peter Feaver explore whether different US policy choices between 2003 and 2014 could have stopped the rise of ISIS; James Dobbins and Seth G. Jones ask what strategic choices can ensure that ISIS’s imminent loss of its remaining territorial strongholds will mean lasting defeat; Fabrice Pothier highlights the necessity of an area-access strategy for NATO; Tim Huxley and Benjamin Schreer analyse Donald Trump’s mixed strategic messages for Asia; Lawrence Freedman reflects on the role of historians in holding policymakers to account; Jonathan Stevenson anticipates the impact of Brexit on peace in Northern Ireland; Jens Ringsmose and Sten Rynning set out the challenges for NATO posed by Russia; Martin Zapfe questions the effectiveness of NATO’s strategy for deterring threats to Baltic members; Peter Rudolf highlights the widening gap between traditional principles of peacekeeping and contemporary operations; Erik Jones, Russell Crandall and Jeffrey Mazo review new books; and Asger Pedersen examines Denmark’s treatment of local interpreters who assisted its troops in Afghanistan.