I guess the question becomes, should more regulation be put into place to prevent lending to economies at risk or does that become impossible as many of these c

I guess the question becomes, should more regulation be put into place to prevent lending to economies at risk or does that become impossible as many of these countries won't take kindly to being locked out of the markets? Who pays when they decide not to? Greece is one helluva mess but without real dollar numbers attached to the various countries in real danger what is our exposure?