Is the link between religion and politics good or bad for our government and faith?

We've seen a recent rise in Christian nationalism, a powerful political movement. To some it looks like a threat to our democracy, and to others it looks like voting their values. But, what does it mean to Iowa Christian faith leaders and their congregations? We sit down with four of them to find out. But first, we hear from journalist Katherine Stewart about how Christian nationalism evolved and who benefits from it.