The White House has seen many physical changes throughout its more than 200 years of history. But its original stone walls, taken from a quarry in Aquia, Virginia, have always endured, surviving the fires of war and major twentieth century renovations. Stewart D. McLaurin interviews author William Seale about his new book, “A White House of Stone,” which tells the story of the original construction of the President’s House - and the men who built it - from the ground up.