Account banks, swap counterparties and liquidity facility providers getting downgraded is now the new norm.  Not being able to locate replacements with the requisite ratings and/or the appetite to take on these roles on substantially similar terms is also passé.  In reality, it is frequently the case that nothing changes.  These entities are still performing their obligations and from an operational standpoint, the deal functions as it should.  But the problem arises because of the…