This episode's headline: China Connection; Changing the Rules; Politics & Gays; First in Space. ANCHOR: JIM LEHRER; GUESTS: FRED GOLDBERG, Former IRS Commissioner; SEN. RICHARD SHELBY, Chairman, Select Committee on Intelligence; SEN. BOB KERREY, Chairman, Select Committee on Intelligence; GARY BAUER, Family Research Council; ELIZABETH BIRCH, Human Rights Campaign; REP. STEVE LARGENT, [R] Oklahoma; RICH TAFEL, Log Cabin Republicans; CORRESPONDENTS: SPENCER MICHELS; ELIZABETH FARNSWORTH; KWAME HOLMAN; PHIL PONCE; ROGER ROSENBLATT