Javascript must be enabled in order to access C-SPAN videos. The White House Historical Association and the Library of Congress hosted a discussion on the White House and presidency… Kenneth Foote talked about memorializing sites such as Salem, Massachusetts. His book on the subject is titled Shadowed … New York Times foreign affairs columnist Tom Friedman spoke to a forum of global business leaders and innovators about a… Professor Richard Muller talked about his book Now: The Physics of Time, in which he discusses the concept of time and p…