* Insider has obtained a never-before-seen address book that appears to have belonged to Jeffrey Epstein in the '90s, connecting him to a new network of prominent financiers and political figures, including Melania Trump's best friend. * The book, which contains 349 names, offers a window into the late sex offender's social circle a full decade before the era covered by his previously known "little black book." More than 200 names listed in the book did not appear in Epstein's later address book. * Prominent entries not previously associated with Epstein include Morgan Fairchild, Suzanne Ircha, Carl Icahn, John A....