A former aide to Gov. James E. McGreevey said yesterday that he had three-way sexual trysts with McGreevey and his wife before they occupied the governor's mansion, challenging Dina Matos McGreevey's assertion that she was naive about her husband's sexual exploits. The aide, Theodore Pedersen, said he and the couple even had a nickname for the weekly romps, from 1999 to 2001, that typically began with dinner at T.G.I. Friday's and ended with a threesome at McGreevey's condo in Woodbridge. They called them "Friday Night Specials," according to Pedersen. He described the encounters during an interview with The Star-Ledger. He...