The national debt in the US (on a gross basis) will climb to above 100pc of GDP by 2015 – a far steeper increase than almost any other country!

But level of debt isn’t the only problem. Then there’s the fact that the US has a far shorter maturity of government debt than most other countries, meaning that even if it weren’t borrowing any extra cash it would have to issue a large chunk of new stuff each year...America is not Greece, but if it does not start making efforts to cut the deficit within a few years, it will head in that direction. The upshot wouldn’t be an IMF bail-out, but a collapse in the dollar and possible hyperinflation in the US, but it would be horrific all the same. America has time, but not forever.

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