-NICOLE GELINAS, Investor's
Greece and Spain both suffered S&P downgrades this week — Greece to junk — as bondholders realized the obvious. The nations cannot raise taxes and cut spending fast enough to pay their debt without killing off economic recovery.
But nothing has shaken another massive debt market: American municipal bonds.
You might think that investors would pause before pouring money into obligations of muni debt, particularly obligations of California, New York or Illinois. Like mid-2000s homeowners, state and local governments spent boom years using illusory gains to justify ever-higher spending and borrowing.
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