Roseanne Barr
Looking at all the available facts, it could be said that Ambien could make you do or say racist things... if you already have pronounced racist tendencies
She said she was 'Ambien-tweeting' when she made her infamous racist remarks
Roseanne's co-stars have also added their voices to the discussion.
'It was 2 in the morning and I was Ambien tweeting... it was Memorial Day too.'
TV channel calls offensive tweet 'abhorrent and repugnant'.