THAT WAS FAST: ‘Roseanne’ Canceled at ABC Following Racist Tweet.

ABC, in a stunning move, has decided to cancel its Roseanne revival following star Roseanne Barr’s racist tweet Tuesday.

“Roseanne’s Twitter statement is abhorrent, repugnant and inconsistent with our values, and we have decided to cancel her show,” ABC Entertainment president Channing Dungey said Tuesday.

Early Tuesday, star, head writer and exec producer Barr attacked former President Obama White House adviser Valerie Jarrett in a since-deleted tweet in which she said “Muslim brotherhood & planet of the apes had a baby=vj.” Barr subsequently apologized: “I apologize to Valerie Jarrett and to all Americans. I am truly sorry for making a bad joke about her politics and her looks. I should have known better. Forgive me — my joke was in bad taste.”

As Allahpundit writes, “She’s always been a crank — our own Ed Morrissey has firsthand experience with it — but some forms of crankery are more radioactive than others.”

Update: Well, yes:

Background on the above image from 2009 here.

Related: Interesting days at Disney — Roseanne is out, but Keith Olbermann, that longtime master of civility and nuanced understatement, is back in.