There is an escape clause to avoid penalties if Europe faces a general shock such as the financial crisis.

ECONOMIST: Charlemagne

Lewis Hamilton will take up the escape clause in his McLaren contract at the end of the season if he fails to win the title or the team do not collect the constructors' championship.

BBC: McLaren's Lewis Hamilton

Judge Vinson flatly rejected the administration's attempt to escape the restrictions of the Commerce Clause by appealing to the Necessary and Proper Clause.

WSJ: Barnett and Foley: The Nuts and Bolts of the ObamaCare Ruling