May 30, 1997|EDWARD J. BOYER | TIMES STAFF WRITER A judge on Thursday reversed the quarter-century-old murder conviction of former Black Panther Party leader Elmer “Geronimo” Pratt, culminating Pratt’s prolonged struggle to win a new trial. In a sharply worded opinion that was harshly critical of Los Angeles County prosecutors, Santa Ana Superior Court Judge Everett W. […]