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NORA EPHRON: Writer-director Nora Ephron, who was diagnosed with leukemia, has died in a New York hospital, friends and family told ABC News Tuesday. She was 71.

The cause of death was pneumonia brought on by acute myeloid leukemia, her son Jacob Bernstein told The New York Times.

Ephron was nominated for three screenwriting Oscars, for "Silkwood" (with Alice Arlen), "When Harry Met Sally ... " and "Sleepless in Seattle" (with David S. Ward and Jeff Arch). Her screenwriting credits also include

"Julie and Julia," "Hanging Up," "Michael," "My Blue Heaven" and "Heartburn" -- based on her novel of the same name marriage to Washington Post reporter Carl Bernstein.

Her directing credits include "Julie & Julia," "You've Got Mail" and "Sleepless in Seattle."

Born in New York May 19, 1941, Ephron was the daughter of screenwriters Henry Ephron and Phoebe Ephron, who collaborated on "Desk Set," "Carousel" and "Daddy Long Legs."

Besides Jacob and Carl Bernstein, Ephron is survived by another son she had with Bernstein, Max; her third husband, "Goodfellas" writer Nicholas Pileggi; and her sisters Delia Ephron and Amy Ephron, People.com said.

TOM ARNOLD: Tom Arnold's publicist says the comedian has no plans to participate in an upcoming television roast of his ex-wife, Roseanne, in Los Angeles.

Comedy Central announced Monday it is taping the program to air in August.

"He has absolutely no interest in being a part of it," Arnold's representative told TMZ, adding the former spouses are no longer in touch with each other.

Arnold and Roseanne were married from 1990-94. During that time, Arnold played the recurring role of Arnie on her popular sitcom "Roseanne."

KRISTIN CHENOWETH: Emmy- and Tony Award-winning actress Kristin Chenoweth has been cast in a recurring role in Season 4 of the U.S. legal drama "The Good Wife," CBS said Tuesday.

She will make her debut in September's season premiere, the network said.

"Chenoweth will match wits with both Alicia and Peter in her role as a top-of-her-game political reporter who wants to know more about the Florrick campaign and marriage," the network said in a synopsis.

Julianna Margulies has earned Emmy, Screen Actors Guild and Golden Globe awards for her portrayal of attorney Alicia Florrick on the series. Chris Noth plays Peter, her formerly jailed politician husband, who was cleared in a corruption scandal and is now running for governor of Illinois.

Chenoweth won an Emmy for her work in "Pushing Daisies." She has also appeared on "Glee," "GCB" and "The West Wing." Her Broadway credits include "Wicked" and "Promises Promises."

'GENERAL HOSPITAL:' America's ABC network says its last remaining daytime soap opera, "General Hospital," will air an hour earlier starting in September.

The series, which won five Daytime Emmy Awards last season, has played at 3 p.m. ET weekdays for decades.

As of Sept. 10, it will be broadcast at 2 p.m. ET since Katie Couric's new syndicated daytime talk show is expected to air in the 3 p.m. time-slot in numerous markets.

"General Hospital" will celebrate its golden anniversary April 1, 2013.

"Approaching 50 historic years on ABC, 'General Hospital' is the longest-running American soap opera currently in production and the third longest-running drama in American television history," the network said in a news release Tuesday.