"My mom wanted me to be a Hilton. And I just wanted to be Paris." And in her new documentary, Paris Hilton is just that: herself. For the YouTube Originals documentary This Is Paris, which is out now, the 39-year-old DJ and businesswoman opened up for the first time about her childhood trauma, the secret abuse she said she suffered both at the Utah boarding school she went to as a teenager and in her romantic relationships, and her infamous sex tape scandal from nearly 20 years ago.  "Something happened in my childhood that I never talked about with anyone," Paris explained in the opening scene of the movie. "I still have nightmares about it. I wish I...