Citadel CEO Ken Griffin believes American prosperity is a testament to the power of the Constitution. And as the country gets ...

Ken Griffin is giving $15 million and rare documents to the National Constitution Center ahead of America’s 250th anniversary ...

At the time of purchase, Griffin announced his intentions to make the document available to the American public.

On NBC's 'Meet the Press" President Donald Trump when asked if he needs to uphold the U.S. Constitution said "I don't know," ...

The $15 million donation from billionaire hedge fund manager Kenneth C. Griffin also comes with rare loaned copies of ...

When Trump again assumed the presidency in January, he—like every American president before him—swore an oath to faithfully execute the laws of this nation, as commanded by the Constitution.