When I was asked to propose a topic for my presidential address, the subject I chose, moral imperatives and conundrums of conscience, seemed to me particularly appropriate and timely. This was in part because of the problems of conscience caused for many members of the Academy by the decision to hold the annual meeting in Arizona, whose restrictive laws on immigration seemed to many to violate basic principles of right and justice and hence to warrant a boycott. Long, thoughtful, and (...) impassioned discussion of the issues revealed their complexity. Although the final decision disappointed many members, all recognized its virtue in supporting the Arizonans who were struggling to accomplish revocation of legislation they believed wrong. There was more. The crises in the leadership of the Academy during two of my years as a presidential officer raised issues of conscience and morality for all who worked to achieve equitable, just, and rational solutions to our problems and conflicts. On both issues, the site of the meeting and the governance of the Academy, colleagues adopted and defended positions that demonstrated the variety and strength of their convictions and the diversity of their reasons for holding them. (shrink)