EP.42--Religion: Ijma’ (Consensus) between the Legal and the Political in Islamic Discourses

What does Ijmāʿ (consensus) mean? How does it function within traditional Islamic Law? In what way do the Sunni concept of “ijmāʿ” and the Shīʿī concept of “imām” parallel each other? What are the political dynamics of ijmāʿ?