KEY POINTS
  • Actress Roseanne Barr apologized Tuesday for a tweet saying that Valerie Jarrett was the product of the "Planet of the Apes" and an Islamist political group.
  • Valerie Jarrett was a senior advisor to President Barack Obama.
  • Barr, star of the hit ABC sitcom "Roseanne," also said she would be leaving Twitter.

Actress Roseanne Barr apologized Tuesday for a tweet comparing Valerie Jarrett, a black former senior advisor to President Barack Obama, to an ape.

"I apologize to Valerie Jarrett and to all Americans," Barr wrote on Twitter. "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."