AUSTIN -- Computer hackers have obtained the names and Social Security numbers of about 59,000 current and former students, faculty members and staff at the University of Texas at Austin in one of the largest cases of potential identity theft ever reported. Authorities do not know whether the information has been put to illegal uses such as obtaining credit cards or withdrawing money from financial accounts. Law enforcement officials were expected to obtain and execute search warrants late today in Austin and Houston at homes where computers are thought to have been used in the cyberspace break-in. UT officials suspect...