Ivan has been asking himself one simple question all week.

Why did people vote in their droves for Sinn Fein?  What did they tap into, that nobody else seemed to be able to?

So he brought together a panel of social commentators, activists, and people with a great interest in politics, to tease out what happened in this election - Senator Marie Louise O'Donnell, Alice Leahy and former Ambassador to Canada Ray Bassett gave their thoughts.