The US economy is in such a crisis, president Joe Biden has had to cancel a trip here next week. 

He has less than a fortnight before the nation defaults on its debt - meaning it would essentially run out of money - for the first time ever. 

Today, economist Dr Louise Sheiner, from the Brookings Institution in Washington DC, on how America's fragile political system could drag all of us into a recession. 

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Dr Louise Sheiner, senior economics fellow and policy director, Hutchins Center on Fiscal and Monetary Policy, Brookings Institution, Washington DC