TEXT: "FILE - In this Jan. 7, 2018 file photo, Roseanne Barr arrives at the 75th annual Golden Globe Awards in Beverly Hills, Calif.  Barr is blaming a racist tweet that got her hit show canceled on the insomnia medication Ambien, prompting its maker to respond that ""racism is not a known side effect."" (Photo by Jordan Strauss/Invision/AP, File)"