US inflation is now at a 40-year high. So, what can we do about it?

The Federal Reserve is trying to cool down the overheated economy by raising interest rates. But if the Fed goes too far, the rate hikes could trigger a recession that'll hit low-income Americans hardest.

On GZERO World, Ian Bremmer speaks to economist and University of Chicago professor Austan Goolsbee, who says the recipe to fixing inflation depends on whether you see it as a demand or supply problem.