Maury Green, a journalist and author who was part of the groundbreaking TV news program “The Big News,” died Sunday of kidney cancer at Tarzana Regional Medical Center in Encino. He was 80.Born in Durham, N.C., Green worked as a reporter, rewrite man, editor and columnist for the Chicago Herald-Examiner and the Chicago Tribune before moving to Los Angeles in 1956. Green worked for the Los Angeles Times before turning to broadcast journalism. Beginning as a writer-producer, he shortly became an on-air reporter for “The Big News” on KNXT, now KCBS-TV. Green also was a college lecturer on news production and wrote several books, including a textbook on TV news and a novel, “The Delphi Calculus.” He was a past president of the Greater Los Angeles Press Club. Green is survived by his son, a daughter and two grandchildren. A memorial service is pending.