SAN JOSE, Calif. (AP) - With a record number of voters casting electronic ballots on Super Tuesday, election officials from California to Maryland are beefing up security to prevent problems ranging from software glitches to hackers. In California, new security measures range from random tests of touch-screen machines by independent computer experts to a recommendation that poll workers prevent voters from carrying cell phones or other wireless devices into voting booths. At least 10 million people in at least two dozen states are expected to cast primary ballots on machines built by Diebold, Sequoia Voting Systems, Electronic Systems & Software...