For the first time, Eliot Spitzer is acknowledging in an interview with Fortune what The Post first reported last year -- that he is itching for a way back into politics and, even at this late date, hasn't totally closed the door on a race this year. And for the first time, he is acknowledging what he did to his wife, Silda, who stood by him amid a scandal involving a high-priced call girl that ended his term as governor less than 18 months after it began on a wave of hope and promise. He goes further than he has in the past two years since the scandal broke in taking personal responsibility not just for what he did to the state, but for what he did to his family, in an interview posted just now by Fortune magazine on its website. "I made an egregiously horrendous judgment at every level," he tells Peter Elkind, who has an upcoming book "Rough Justice: The Rise and Fall of Eliot Spitzer" that will be excerpted in the next issue of Fortune. "Not just in t...