Retired Air Force General James A. Abrahamson appears headed for the top job at NASA. Abrahamson, an executive vice-president at Hughes Aircraft Co., is a former top NASA official who once headed the Star Wars program. . . . The White House can't persuade National Highway Traffic Safety Administrator Jerry R. Curry to abandon his effort to head the Federal Aviation Administration. But the Senate, unhappy with his record at NHTSA, is determined to kill the nomination.