BAKER v. CARR. 186 Opinion of the Court. case-by-case inquiry. Deciding whether a matter has in any measure been committed by the Constitution to another branch of government, or whether the action of that branch exceeds whatever authority has been committed, is itself a delicate exercise in constitutional interpretation, and is a responsibility of this Court as ultimate interpreter of the Constitution. To demonstrate this requires no less than to analyze representative cases and to infer from them the analytical threads that make up the political question doctrine. We shall then show that none of those threads catches this case. Foreign relations: There are sweeping statements to the effect that all questions touching foreign relations are political questions. 1 Not only does resolution of such issues frequently turn on standards that defy judicial application, or involve the exercise of a discretion demonstrably committed to the executive or legislature; 82 but many such questions uniquely demand single-voiced statement of the Government's views." Yet it is error to suppose that every case or controversy which touches foreign relations lies beyond judicial cognizance. Our cases in this field seem invariably to show a discriminating analysis of the particular question posed, in terms of the history of its management by the political branches, of its susceptibility to judicial handling in the light of its nature and posture in the specific case, and of the possible conseE. g., "The conduct of the foreign relations of our Government is committed by the Constitution to the Executive and Legislative'the political'-Departments of the Government, and the propriety of what may be done in the exercise of this political power is not subject to judicial inquiry or decision." Oetjen v. Central Leather Co., 246 U. S. 297, 302. 32See Doe v. Braden, 16 How. 635, 657; Taylor v. Morton, 23 Fed. Cas., No. 13,799 (C. C. D. Mass.) (Mr. Justice Curtis), affirmed, 2 Black 481. 33 See Doe v. Braden, 16 How. 635, 657. 81

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