In this May 10, 2012 photo, author David McCullough, two-time Pulitzer Prize winner for books "Truman" and "John Adams," speaks during an interview in New York. McCullough is celebrating the 40th ... more 
In this May 10, 2012 photo, author David McCullough, two-time Pulitzer Prize winner for books "Truman" and "John Adams," speaks during an interview in New York. McCullough is celebrating the 40th anniversary of his book "The Great Bridge," which has just been reissued with a new introduction by the 78-year-old writer. (AP Photo/Bebeto Matthews) less 
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Associated Press | Photo By Bebeto Matthews
Fri, May 18, 2012 10:07 AM EDT