The Supreme Court concluded twenty-five years ago, in Lujan v. Defenders of Wildlife, that uninjured private plaintiffs may not litigate “generalized grievances” about the legality of executive branch conduct. According to the Lujan Court, Congress lacked power to authorize suit by a plaintiff who could not establish some “particularized” injury from the challenged conduct. The Court believed litigation to require executive branch legal compliance, brought by an uninjured private party, is not a “case” or “controversy” within the Article III judicial power and impermissibly reassigns the President’s Article II responsibility to “take Care that the Laws be faithfully executed.” The decision effectively granted the President a semi-exclusive ...