$700 billion of commercial mortgages called a ticking "time bomb"

The maturing of $700 billion of commercial mortgages at a time when capital to refinance the debit is largely unavailable is a "looming crisis" that can't be ignored.... The problem is a ticking "time bomb" that coudl tough off an entirely new crisis, hitting the biggest US banks with huge losses.
Full Article (Source: REIT.com)