The Advances in Experimental Social Psychology series is the premier outlet for reviews of mature, high-impact research programs in social psychology. Contributions to the series provide defining pieces of established research programs, reviewing and integrating thematically related findings by individual scholars or research groups. Topics discussed in Volume 65 include Cross-Group Friendship, Construal of Power, Political Ideology and Social Categorization, Disgust and Social Judgment, and Effects of Testosterone on Close Relationships.