When the United States goes to war, the nation’s attention focuses on the president. As commander in chief, a president reaches the zenith of power, while Congress is supposedly shunted to the sidelines once troops have been deployed abroad. Because of Congress’s repeated failure to exercise its legislative powers to rein in presidents, many have proclaimed its irrelevance in military matters.

After the Rubicon challenges this conventional wisdom by illuminating the diverse ways in which legislators influence the conduct of military affairs. Douglas L. Kriner reveals that even in politically sensitive wartime environments, individual members of Congress frequently propose legislation, hold investigative hearings, and engage in national policy debates in the public sphere. These actions influence the president’s strategic decisions as he weighs the political costs of pursuing his preferred military course.

Marshalling a wealth of quantitative and historical evidence, Kriner expertly demonstrates the full extent to which Congress materially shapes the initiation, scope, and duration of major military actions and sheds new light on the timely issue of interbranch relations.

Congress and the president are not the only branches that deal with fiscal issues in times of war. In this innovative book, Nancy Staudt focuses on the role of federal courts in fiscal matters during warfare and high-cost national defense emergencies. There is, she argues, a judicial power of the purse that becomes evident upon examining the budgetary effects of judicial decision making. The book provides substantial evidence that judges are willing—maybe even eager—to redirect private monies into government hands when the country is in peril, but when the judges receive convincing cues that ongoing wartime activities undermine the nation’s interests, they are more likely to withhold funds from the government by deciding cases in favor of private individuals and entities who show up in court.

In stark contrast with conventional legal, political, and institutional thought that privileges factors associated with individual preferences, The Judicial Power of the Purse sheds light on environmental factors in judicial decision making and will be an excellent read for students of judicial behavior in political science and law.

Because the constitutional separation of powers often leads to delay or obstruction rather than coordinated policymaking, U.S. presidents are increasingly acting unilaterally to move policy. With the issuance of executive orders, signing statements, and policy memoranda, unilateralism has become a defining feature of the American presidency. Can Congress effectively use checks and balances to counter presidential unilateralism? 

Strategic Responsiveness takes a theoretically developed and empirically oriented approach— situated within legal and historical contexts—to explore the system of separated powers. The authors find that Congress is not as weak as many perceive it to be and show how members of Congress often anticipate individualized policy loss and choose to respond. These policy struggles shape the constitutional order as surely as broad, statutory constraints might. While the aggrandizement of the presidency and the usurpation of congressional control are not countered, ordinary policy losses are. For members and senators, presidential overreach is fine as long as the policy wins continue, but policy losses may motivate members to reassert congressional prerogatives in policymaking through increased oversight. Strategic Responsiveness reveals how profoundly important policy-level disputes are in the politics of maintaining a particular constitutional order.