ABC's Roseanne Barr lobs stunningly racist insult at Obama adviser in unhinged Twitter rampage
Roseanne Barr at the NBCUniversal Summer Press Day at Huntington Langham Hotel on April 8, 2014 in Pasadena. (Shutterstock)

Valerie Jarrett served as Senior White House Advisor for the full eight years President Barack Obama led the nation. She was also the assistant to the president for public engagement and intergovernmental affairs, and a co-chair of the Obama–Biden Transition Project. Before serving in the Obama White House, Jarrett was a CEO, the chairwoman of the Chicago Stock Exchange, the chairwoman of the board of the University of Chicago Medical Center, and held other prestigious titles.

That's not how Roseanne Barr, the star of ABC TV's regurgitated "Roseanne," described Jarrett early Tuesday morning.

Responding to a tweet about Jarrett, Barr decided a racist attack was in order.

She called her the offspring of the "muslim brotherhood & planet of the apes."

If it was meant to be funny, it's not.

Barr has a history of racism, anti-Semitism, and advancing conspiracy theories.

Her dressing up as Hitler pulling burned "jew cookies" out of an oven is unforgivable. Feel free to Google Barr for more evidence of her racism and anti-Semitism.

Or, just look to her other tweets, just from Tuesday.

Here's Barr on Hillary Clinton:

Here's Barr falsely claiming Chelsea Clinton married a nephew of George Soros:

Mediaite calls the Chelsea Soros Clinton charge "a (false) rumor that was initially spread by Scott Baio, of all people."

Chelsea Clinton, by the way, responded to Barr:

ABC TV executives have claimed Barr's politics are her "private business." How long can they keep this charade going?