LOS ANGELES (AP) - Sam Waterston may be a getting a ''Law & Order'' promotion. The actor is negotiating to step in as the show's New York district attorney, replacing co-star Fred Thompson, a source close to the production said Monday. Thompson, a former U.S. senator, is weighing a presidential run and asked to be released from the NBC drama.

Law & Order creator Dick Wolf will celebrate the 700th episode of the hit cop drama with an induction onto the Hollywood Walk of Fame. The TV mogul will be honored with the 2,332nd star on the Los Angeles landmark on March 29.

Happy Birthday to rapper Ol' Dirty Bastard (1968; d. 2004), jazz guitarist and Jay Leno bandleader Kevin Eubanks (1957), actress Beverly D'Angelo (1951), Law & Order detective Sam Waterston (1940), English singer Petula Clark (1932), TV newspaper publisher Ed Asner (1929), Italian composer Mantovani (1905; d. 1980), and American painter Georgia O'Keeffe (1887; d. 1986).

* Law & Order star Sam Waterston, Desperate Housewives' Doug Savant and James Denton, Joely Fisher, Martin Short and pop star Drew Lachey will be pitting their wits against Secretary of Education, Margaret Spellings, on an upcoming two-week celebrity version of Jeopardy, which begins on November 8.

Golden Globe winner and Academy Award nominee Kathleen Turner guest stars on NBC's Law & Order Wed., Feb. 8 at 10 p.m. ET/PT. The veteran actress will reunite with her Serial Mom co-star Sam Waterston when she plays high-powered defense attorney Rebecca Shane, representing a privileged student accused of murder.

Happy Birthday to actress Virginie Ledoyen (1976), Nickelback guitarist Chad Kroeger (1974), Aeon Flux actor Jonny Lee Miller (1972), rapper Ol' Dirty Bastard (1968; d. 2004), jazz guitarist and Jay Leno bandleader Kevin Eubanks (1957), actress Beverly D'Angelo (1951), Law & Order detective Sam Waterston (1940), English singer Petula Clark (1932), TV newspaper publisher Ed Asner (1929), Italian composer Mantovani (1905; d. 1980), and American painter Georgia O'Keeffe (1887; d. 1986).