01:34We asked her for her her thoughts on the national debt as it approaches $22 trillion. That exchange is below:CNN: We've spent years and years in US politics worrying about the national debt, which is going to hit $22 trillion any day. Kelton: Few people understand what the national debt is, and most people tend to conflate government deficits with the national debt. The national debt is nothing more than a historical record of all the dollars that were spent by government but not taxed back. CNN: If the national debt shouldn't scare Americans, what should?

Source: CNN January 13, 2019 13:00 UTC