Racism and redemption: Virginia blackface row sparks national debate

Can a politician come back from revelations about racist behavior in their past?What if that behavior evoked the darkest chapters of American history, from slavery to segregation?The 59-year-old has so far refused to resign after first admitting he appeared in a yearbook photograph showing a person in blackface and another wearing Ku Klux Klan robes, only to deny a day later that either individual was him.