Some background on the divorce, via the Associated Press:
Documents related to the divorce filed Friday in Cobb County Superior Court include a separation agreement signed by the couple and notarized in December 1987. There is no indication it was ever filed.
Browning said Marianne Gingrich called her husband on his birthday in June 1987 to tell him she was leaving him. Gingrich, he said, came back to Georgia to find his home emptied out.
Browning said the pair maintained separate residences for six years before reconciling in late 1993 or early 1994.
Expect to hear more about this story, which was shared by a Newt World insider.