ABC Cancels ‘Roseanne’ Following Roseanne Barr’s ‘Repugnant’ Racist TweetABC Cancels ‘Roseanne’ Following Roseanne Barr’s ‘Repugnant’ Racist TweetAfter Roseanne Barr took aim at a former Obama advisor in a racist tweet, ABC has canceled her revival series.E. Oliver WhitneyE. Oliver Whitney