So, possibly the most secretive billionaire in the whole world, a man that hundreds of reporters both in the finance world and the art world have begged for interviews, turns out to have once actually done one, the Post discovers. Downside: It was 18 years ago. Upside: It was with Cristina! YOU KNOW, Cristina Saralegui, the insane Cuban talk-show lady who you can't turn off even if you don't speak Spanish and you just happen to be drifting past Telemundo or Univision or whatever. She is like an Almodovar drag queen. So during one brief magical moment, Cristina did a show in English, which I vaguely remember even, and at that time, one of her guests was Stevie Cohen, the hedge fund billionaire behind SAC Capital who buys million-dollar art like it is dime-store candy. He is basically the mythical unicorn of the art world, unless you are Saatchi or Gagosian or whatever, in which case you are all up in him 24/7. READ MORE