Last week, political leaders and elite business people gathered at the World Economic Forum's annual summit in Davos, Switzerland, to discuss solutions to problems such as climate change, the war in Ukraine and the growing global food crisis. But outside, among the usual crowds of protestors, were some unusual participants: members of the wealthy one per cent.

They're part of a growing movement that is calling on governments to impose wealth taxes on the world's richest people. Today, Front Burner talks to Morris Pearl, the former managing director at the investment firm BlackRock and current chair of the group Patriotic Millionaires, about why he wants to pay much more in taxes and why it could alleviate many of society's biggest problems if more rich people wanted to do the same.