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Washington (CNN) – Long before computers or televisions existed, a man who would become a U.S. senator and then president started an affair with his neighbor's wife.
Even telephones were relatively new back then, so Warren Harding wrote Carrie Phillips smoldering love letters during their 15-year relationship that ended prior to his inauguration in 1921.
"I love you more than all the world, and have no hope of reward on Earth or hereafter, so precious as that in your dear arms, in your thrilling lips, in your matchless breasts, in your incomparable embrace," said a 1910 letter first revealed in the book "The Harding Affair" by James David Robenalt.