FORMER DRIVER: I HAD THREESOME WITH JIM & DINA March 16, 2008 -- A former driver and aide for former N.J. Gov. Jim McGreevey says Dina Matos McGreevey must have always known her husband was gay - because he was the other man in bed with them. In an explosive interview with The Post, the McGreeveys' longtime man-in-the-middle, Teddy Pedersen, recounted explicit details of alleged, titillating, three-way sex romps he had with the now-divorcing duo, starting during their courtship and continuing into the marriage. Pedersen - who said he has already spilled the beans on the steamy ménage a trios...