Group Ethics - What poses the most danger to teams

Group Ethics:

• What poses the most danger to teams:  groupthink or mismanaged agreement?  
• How do you recognize when your group is caught in the escalation of commitment? 
• Do you think that groups can exert more control over the behavior of members than managers do?

Leadership Ethics:

• What ethical guidelines would you set for gathering and sharing information?
• Is it possible for a leader to be incompetent but ethical?
• Why are ethical leaders generally more effective as well?