Warren Perry, writer at NPG, talks about a portrait of Richard Nixon by Norman Rockwell -- The National Portrait Gallery's Warren Perry discusses a portrait of Richard Nixon by Peter Norman Rockwell, on view in the "America's Presidents" exhibition on the second floor. Recorded at NPG, October 17 2012. Image: Richard Milhous Nixon / Norman Rockwell / Oil on canvas, 1968 / National Portrait Gallery, Smithsonian Institution; donated to the people of the United States

of America by the Richard Nixon Foundation / © The Norman Rockwell Estate Licensing Co.