Roseanne apologizes for racist tweet; says she was on Ambien

ABC canceled its hit reboot of "Roseanne" on Tuesday following star Roseanne Barr's racist tweet that referred to former Obama adviser Valerie Jarrett as a product of the Muslim Brotherhood and the "Planet of the Apes." The star apologized for her tweet and said she did not want anyone to defend it and that she was "ambien tweeting."