A former journalist who became the subject of a Hollywood movie after he was caught fabricating articles in the late 1990s is fighting to become a lawyer in California over the objections of a state bar committee that has judged him morally unfit for his new profession. Stephen Glass, whose ethical missteps at The New Republic and other magazines were recounted in the film “Shattered Glass’’ and an autobiographical novel, has challenged the bar committee’s decision to deny him a license to practice law