In this photo taken Thursday, March 8, 2012, a love letter exchanged between Richard Nixon and his wife, Pat, in the early years of their romance and long before he became president, is displayed at ... more 
In this photo taken Thursday, March 8, 2012, a love letter exchanged between Richard Nixon and his wife, Pat, in the early years of their romance and long before he became president, is displayed at the Richard Nixon Presidential Library and Museum upcoming exhibit celebrating Pat Nixon’s 100th birthday, in Yorba Linda, Calif. (AP Photo/Damian Dovarganes) less 
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Associated Press | Photo By Damian Dovarganes
Mon, Mar 12, 2012 10:22 PM EDT