Cory Booker is optimistic about his future with his girlfriend, actress Rosario Dawson. The 50-year-old New Jersey senator and presidential hopeful discussed the possibility of marriage with Dawson during Monday's episode of The Wendy Williams Show. "Look, I have hope. I have hope!" Booker said. "This is something really special. She's challenged me in ways that I needed to be challenged." Booker promised host Wendy Williams he will buy a tasteful engagement ring for Dawson, should he propose. "She is this righteous activist," he said of Dawson. "She has a fashion line in Africa about empowering women, so whatever I...