Pat and Richard M. Nixon

Associated Press
In this Dec. 3, 1969 photo provided by of the Richard Nixon Presidential Library, President Richard Nixon presents Moon rocks to then Governor of Alaska Keith Mille, right, as Pat Nixon, second left, and Diana Miller look on at the Governors Conference in Washington. Alaska officials are contesting a lawsuit filed by a former resident who claims he rescued the moon rocks from a garbage heap 38 years ago. (AP Photo/Richard Nixon Presidential Library, Robert L. Knudsen)

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Decades before he became known to some as "Tricky Dick," Nixon was the one penning nicknames (sweet ones) to his future bride in gushy love notes that reveal a surprisingly soft and romantic side of the man taken down by Watergate. (AP)

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