LOUISVILLE, Ky. Was Abraham Lincoln really the first president of the United States to be assassinated? Or was Zachary Taylor poisoned 15 years earlier?

An author who suspects the latter will get the opportunity to find out. The federal government Friday gave Jefferson County Coroner Richard Greathouse permission to open the crypt in Zachary Taylor National Cemetery and test the 12th president's remains for arsenic.

And Cara Rising of Holder, Fla., who is gathering information for a book on Taylor, plans to be present Monday when Greathouse removes samples of hair, fingernail or bone for ...

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