Be prepared for still another shock. On Saturday, actor Paul Newman will be 60 years old and he's looking forward to many more years as a romantic lead and on the racing circuit. He's an inspiration to us all . . .

Republican National Committee chairman Frank J. Fahrenkopf Jr., who was reelected last week to a second two-year term, has joined Hogan and Hartson, one of Washington's biggest law firms . . .

Department of Energy employe James A. Keeling was out for a big evening Wednesday, attending the opening of "The Odd Couple" at the National Theatre. But the evening was ruined when he discovered that he had somehow lost his $500 black onyx ring in the men's room. He reported the loss to the theater, but was certain that was the last he would see of the ring. Yesterday morning, he received a call from the National saying his ring had been turned in by NBC political correspondent Roger Mudd . . .

Washington Weekly editor Margaret Carlson will become the Washington bureau chief of Esquire magazine, with emphasis on a new two-page Washington section the magazine will start up in the March issue . . .

Prince Charles and Princess Diana are on a skiing vacation in Liechtenstein, their third such vacation there in three years. The photogenic couple posed for the press; they are roughing it in Prince Hans-Adam von Liechtenstein's 100-room castle . . .

Mark Russell, who brings his one-man show to Ford's Theatre this weekend, has the last word on Frank Sinatra and the press: "Frank Sinatra is dedicating his next album to the media. It will include such standards as 'I've Got You Under My Car' and 'A Foggy Day in Forest Lawn' " . . .