Even as many in the United States are focused on the threat of biological terrorism, some are turning their attention to last year's national crisis -- election difficulties and reform. Four reports, released this week by the General Accounting Office (GAO), give a wealth of information on how elections are currently conducted in the United States, what contributed toward votes going uncounted in the last presidential elections, and how various reform proposals should be evaluated. The third report, which is 33 pages, recommends a more explicit assignment of federal responsibility for maintaining and implementing voting equipment standards.