[JURIST] US Attorney General Eric Holder [official website] pledged Tuesday to enforce civil rights [speech] during next year’s elections. Speaking at the Lyndon Baines Johnson Library & Museum [website] in Austin, Texas, Holder stressed the importance of the right to vote, calling it the "cornerstone of our system of government." He expressed concern over several recently enacted state laws currently under review by the Justice Department that could infringe on this fundamental right. Holder said:Since January, more than a dozen…