In this photo taken Thursday, March 8, 2012, a banner for the upcoming exhibit celebrating Pat Nixonís 100th birthday hangs at the Richard Nixon Presidential Library and Museum, in Yorba Linda, ... more 
In this photo taken Thursday, March 8, 2012, a banner for the upcoming exhibit celebrating Pat Nixonís 100th birthday hangs at the Richard Nixon Presidential Library and Museum, 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