Channel 4 announced yesterday it has finally filled the job of program director, vacant since John Petrie left in September . . .

The new man is (may we have the envelope, please?) Cliff Curley . . . who's had the sambe job at KDKA-TV in Pittsburgh, Pa. . .

NBC's "Today" show announced yesterday that it has signed syndicated columnists Ellen Goodman and George Will, Boston Globe writer Mike Barnicle and Washington Post writher Haynes Johnson to be commentators for the show. . .

They'll each do 90-second-to-two-minute spots . . . rotating from day-to-day . . . but so far there's no name for the segment . . . which is reminiscent of CBS Radio's (Spectrum" series. . .

The new feature could start as early as January 8. . .

CBS News started Sunday working on having President Carter on its China special tonight and received a final okay yesterday afternoon. . .

Walter Cronkite will tape a 10-minute interview with Carter sometime this afternoon for the 8 p.m. special. . .

ABC news had a half-hour China speial at 11:45 p.m. Friday following Carter's dramatice 8-minute address earlier that evening announcing the beginning of full diplomatic relations between the two papers. . .

NBC NEWS PUT ON HENRY KISSINGER AND JOHN CHANCELLOR FOR 12 MINUTES IMMEDIATLEY FOLLOWING CARTER'S ANNOUNCEMENT FRIDAY NIGHT . . . BUT NOW PLANS A FULL ONE HOUR DOCUMENTARY ON "CHAING CHINA" SOMETIME IN JANUARY . . . ANCHORED BY ASIAN CORRESPONDENT JACK REYNOLDS WHO HAS JUST RETURNED FROM PEKING. . .