Feature interview: author Rumaan Alam on wealth and the ultra-rich

It's a good time to be a billionaire. They're richer than ever and there are more of them in the world today. As the ultra-wealthy push for more power and influence, the line between privilege and entitlement grows thinner. Acclaimed author Rumaan Alam considers questions about money, power and how wealth shapes ambition, morality and relationships in his novels.