Face to Face: Le Pen, Macron square off in final debate (part 2)

The one and only second-round debate in France's election features independent centrist frontrunner Emmanuel Macron and the far-right's Marine Le Pen. What are the issues that can convince undecided voters? What are the pitfalls the candidates have to avoid? With a campaign that's been dominated by scandals instead of issues, many see it as their only opportunity to take a good hard listen to what two very different rivals have to offer.