Tamar.930521 slw Photo -- Mike Richman Tamar Kaufman interviews Prime Minister Yitzhak Rabin in a San Francisco hotel room. 5-30 Bulletin writer stricken by cancer; fund is started GARTH WOLKOFF Bulletin Staff Tamar Kaufman, the Jewish Bulletin's most seasoned and accomplished writer, has terminal brain cancer. At 43, she has survived cancer twice before. But the latest onslaught came without warning. Two weeks ago, Kaufman left work on Wednesday after writing a front-page story on deadline. She complained about having a headache. By midday that Friday, doctors told her she had four lesions on her brain and that she would have to start radiation treatments that afternoon. As senior writer of the Bulletin and in her private life, Kaufman has spent her adulthood championing the underdog, writing countless stories about -- and being personally involved in the causes of -- women's rights, the disabled, the underprivileged and Sephardim. "She has always been a fighter, and she'll fight the cancer in every way possible," says her husband, Daveed Mandell. ...