VIDEO : Roseanne Barr Sees Immediate Fallout For Racist Tweet

Roseanne Barr tweeted a racist joke about Barack Obama?s former White House advisor Valerie Jarrett. As a result of the tweet, ABC has cancelled the second season of the 'Roseanne' reboot. The network called the tweet "abhorrent, repugnant and inconsistent with our values." Us Weekly reports that Roseanne originally dismissed fans who called the tweet racist. But on Tuesday Roseanne had deleted the tweet and apologized for her "bad joke.