gene. president ford liked to talk golf with him. he saw eight presidential administrations come and go, often working six days a week. he was there while america's racial history was being remade, brownthe board of education, the little rock school crises, the 1963 march on washington, the city's burning, the civil rights bills, the assassinations. when he started at the white house in 1952 he couldn't even use the public restrooms when he ventured back to his native virginia. the writer of that article, wil haygood joins us now. he's also the author of the new book "the butler: a witness to history." ronald reagan knew eugene allen from his father's white house years. wil, i remember that tremendous column you wrote. i think we all do. how did you first get on to the story? >> i had wanted to find somebody who worked in the white house during the era of segregation because i thought that then senator obama was going to win. i just felt it in my gut. and so i launched a nationwide search, looking for someone, and someone down in florida told me about this man who they thought had served in three administrations. when i finally tracked down mr. allen after 57 phone calls, he let me kn