A FEW things seem deeply worrying to state Del. Charles D. Poindexter (R-Franklin), who represents a rural district in southwestern Virginia. One is mussels of the zebra and quagga variety. Another is immigrants, especially refugees. In both cases, Mr. Poindexter appears fearful that Virginia is suffering a foreign infestation.
The mollusks that so disconcert Mr. Poindexter are freshwater bivalves native to Eastern Europe, whose foothold in Virginia waters may be a nuisance to local water
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