Eliot Spitzer's high-priced hooker dove into a life of partying and drugs in the weeks before she was outed as his $1,000-an-hour prostitute, her friends said Friday. Ashley Alexandra Dupré, 22, admitted on her MySpace page that she used drugs but insisted she had stopped - a claim several of her friends now say is a lie. "Yes, I have seen her do cocaine," said one of her friends, who asked not to be identified. "It was actually really hard to talk to her during the night because she was . . . on coke." "I'd watch her go through...