David Ward, historian at NPG, discusses Lincoln, and a selection of portraits in the exhibition "One Life: The Mask of Lincoln."Every Thursday evening, the National Portrait Gallery presents "Face-to-Face," a talk about selected portraits on view in the gallery. As part of this regular series, NPG historian David Ward discussed a few photographs of Lincoln on display in the recently opened exhibition "One Life: Mask of Lincoln." View the online exhibition at: http://www.npg.si.edu/exhibit/lincoln/ . Recorded at NPG, December 11, 2008. Image info: Abraham Lincoln / Alexander Gardner, 1861 / Albumen silver print / National Portrait Gallery, Smithsonian Institution