LOS ANGELES (AP) — Allison Janney even thanked the bird. After winning the best supporting actress Oscar on Sunday for her turn as the hard-as-nails, chain-smoking mother of Tonya Harding in "I, Tonya," Janney began her speech by joking that she "did it all by myself." After the raucous laughs died down, she said there could be "nothing further from the truth.