We might watch the inflation rate to see how the cost of living is changing, and how our money changes value over time. But what happens when we can't trust money any more? Betsey Stevenson and Justin Wolfers explain inflation - what it is, the harm it can do, and how you can protect yourself against it.Co-Host: Nastaran Tavakoli-Far. Editor: Alastair Elphick. A Modulated Media production.SummaryInflation - when your cash erodes