Why do we have it?
What good is it?
Would we be better off without it?
Is it invented or is it inherent to the human condition? ... We take it for granted that it should be part of our cultures, but why?
Specific examples of how members have found it beneficial or even an obstacle to their obvectives that would be interesting to hear. Even more interesting would be trying to break down rationally, what the purpose of compassion is to us.

Have at 'er!