After posting a racist tweet aimed at Valerie Jarrett, Roseanne Barr?s sitcom was cancelled. Not only that but Barr was also dropped as a client from talent agency ICM. Hours after the news broke Barr came back to Twitter to apologize and defend herself. On Twitter she apologized to the people that worked on the show for causing it to be cancelled. Yet she still defended her actions by retweeting supporter messages from her followers.