Going forward, which of the four initiatives should Setty prioritize (p. 11-12)? (1) Expand the analysis to the most senior managers at Google, including directors and vice presidents? (2) Focus on the life cycle of managers, including hiring, lateral transitions, promotions, and departures? (3) Focus on the composition and functioning of teams? (4) Dive deeper into the current project by trying to create a larger number of "truly amazing managers