During the opening sequence of the Oscars on Sunday night a blackface-clad Billy Crystal revived his Sammy Davis Jr. impression. The worst part is the blackface appearance showed up at the same time Justin Bieber made a surprise cameo–perhaps the only moment during the Oscars that could attract a younger audience. When Octavia Spencer won supporting actress for “The Help,” comedian [Paul Scheer ](https://twitter.com/#!/paulscheer/status/173954948923523073)tweeted her win “shows just how far we’ve come since Billy Crystal performed in Blackface.”