gold heading to $4300, page-25

re USA foreign debt see

http://en.wikipedia.org/wiki/List_of_countries_by_external_debt

This tells you that the US is by far a smaller debt (per GDP) than a whole lot of other countries, including AUS.

See also

http://en.wikipedia.org/wiki/United_States_public_debt

which includes a graph that indicates that private debt probably (just) exceeds public debt, unlike Australia, where public debt has never gone close to matching the private debt. Australia is in a worse position than the US?