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Here's a little-known fact about Thomas Jefferson: He had a thing for mammoths, and even kept a collection of their bones in the White House.

So it seems strangely fitting that workers unearthed a 500,000-year-old mammoth skull and two tusks last month while excavating in downtown San Diego for the new campus of the Thomas Jefferson School of Law.

"It seemed bizarre at first, but when we heard about Thomas Jefferson's fascination with the mammoth, the coincidence was almost too