Kára McCullough, a 25-year-old chemist who works for the U.S. Nuclear Regulatory Commission, wins Miss USA title. https://t.co/hZsFrvV09R pic.twitter.com/Roi9XDrX7i— ABC News (@ABC) May 15, 2017
Kára McCullough, a 25-year-old chemist who works for the U.S. Nuclear Regulatory Commission, wins Miss USA title. https://t.co/hZsFrvV09R pic.twitter.com/Roi9XDrX7i