The $40 Trillion Problem Nobody Wants to Fix

America's national debt has passed $40 trillion, but the number barely registered as a news story. And America isn't alone. Britain, France, Italy and Japan are all carrying enormous debt burdens, while governments across the West keep borrowing as interest costs rise and populations age.

@PaddyNey explains debt-to-GDP in normal English, how the West got here through financial crises, COVID, ageing populations and rising defence spending, and what could happen if investors eventually lose confidence.