
For each of these countries, the euro has already proved a disaster. Put simply, most of the PIGS are so heavily indebted that the market no longer believes they will be able to repay their borrowings.
Normally, if a country falls into too much debt, it can devalue its currency, essentially devaluing its debt burden - this is exactly what Britain has done over the past few months. In the euro-zone, however, the currency's value is set centrally. "
Peter Oborne.
If just ONE of these nations quits the euro, the whole house of cards will tumble!