If you are an American Canadian and have not reported to the IRS that you have an RRSP (similar to an IRA in the US), you owe Uncle Sam a non-filing penalty of 25% of the value of the account.

FORBES: Handling New IRS Foreign Reporting Requirements Without Doing Jail Time

Some of the contenders--including Sam Brownback and Ron Paul--were willing to take a stand and gave us full cooperation.

FORBES: Magazine Article

Foreigners, who currently hold around half of US Treasury debt, up from 18% in 1990, will not finance Uncle Sam's self-indulgence for ever.

ECONOMIST: Lexington