S&P adds to EU's stress: Is an EFSF downgrade looming?

Credit ratings agency S&P unleashed a series of ratings downgrades on Friday, bringing the focus squarely back on the eurozone.

Nine out of seventeen nations have been downgraded, and the next in the firing line maybe the European financial stability facility (EFSF).
However in an exclusive interview with CNBC-TV18, the head of sovereign ratings at S&P - John Chambers said that the EFSF could avoid a downgrade through higher guarantees from the eurozone's remaining triple-A countries. The other option would be to reduce EFSFs lending capacity.
Chambers said,