Once-hooker-happy Eliot Spitzer made his TV talk-show debut last night -- interviewing a guest who, like him, allegedly patronized prostitutes. Spitzer -- who resigned in disgrace as New York governor in 2008 after being exposed as a john with a frequent hankering for hookers -- conducted the bizarre interview along with his TV partner, conservative columnist Kathleen Parker, for their CNN show, "Parker Spitzer." One of the unlikely pair's guests was Hollywood screenwriter Aaron Sorkin -- who allegedly once shared Spitzer's infamous passion for call girls. Sorkin -- who penned the TV series "The West Wing," the flick "A Few...