When Wisconsin resident Julie Rider shops for groceries, there's one item she can't legally buy at her local market — or at any stores in her state.
Because of a decades-old state law, Rider's favorite butter — Kerrygold, imported from Ireland — isn't allowed on Wisconsin store shelves.
The law, requiring butter sold in Wisconsin to be graded for taste, texture and color through a federal or state system, effectively bans butter produced outside the U.S., as well as many artisanal butters that also aren't rated.
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