Image: Roundup weed killer is seen in a Tractor Supply Company store in Denver, N.C. earlier this year. (Lindsey Nicholson/UCG/Universal Images Group via Getty Images)

Michael Macagnone of Roll Call reports: “The Supreme Court blocked thousands of state lawsuits against leading pesticide maker Monsanto over the ingredients in the popular weed killer Roundup, in a decision Thursday that potentially sends the tussle to Congress.

The 7-2 opinion held federal law governing pesticide labels overrides state law claims about a label failing to warn about the alleged cancer dangers of the pesticide.

In the majority opinion, Justice Brett M. Kavanaugh wrote that the Federal Insecticide, Fungicide, and Rodenticide Act, first passed in 1947, gives the Environmental Protection Agency full control over the content of pesticide labels…”

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