Smithsonian Secretary Wayne Clough, left, greets artist Lincoln Schatz at the unveiling 

Smithsonian Secretary Wayne Clough, left, greets artist Lincoln Schatz at the unveiling of “The Network,” an innovative group video portrait, at the Smithsonian's National Portrait Gallery on Tuesday, Dec. 11, 2012 in Washington, D.C. (Paul Morigi /AP Images for National Portrait Gallery)
Associated Press
Smithsonian Secretary Wayne Clough, left, greets artist Lincoln Schatz at the unveiling of “The Network,” an innovative group video portrait, at the Smithsonian's National Portrait Gallery on Tuesday, Dec. 11, 2012 in Washington, D.C. (Paul Morigi /AP Images for National Portrait Gallery)
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