But the former House speaker is keeping to himself about how they spent hundreds of thousands of dollars at Tiffany's jewelry store.
A financial disclosure form filed by Callista Gingrich in 2006 and 2007 showed the couple owed from $250,000 to $500,000 to Tiffany & Co.
Appearing Sunday on CBS' "Face the Nation," Gingrich refused to say what they'd bought at Tiffany's, noting that "it is my private life."
He says he and his wife have a "reasonably good income" but wasn't more specific.
Gingrich added: "If the U.S. government was as debt-free as I am, everybody in America would be celebrating."
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