Is unemployment a liability or asset?

Mainstream economics acknowledges that some joblessness helps to keep prices down. It’s one of the reasons most economists say unemployment at zero isn't actually ideal. This morning, we're joined by the University of Tulsa's Clara Mattei, who argues in a new book that "unemployment is not a problem for our system, but it's actually a solution for it." But first, both Democrats and Republicans grapple with the issue of affordability.