Sequoia touch-screen is California's most widely used Days before the election, state officials have learned that California's most widely used electronic voting machines feature a button in back that can allow someone to vote multiple times. Several computer scientists said Wednesday that the vulnerability found in all touch-screen machines sold by Oakland-based Sequoia Voting Systems was not especially great because using the yellow button for vote fraud would require reaching far behind the voting machine twice and triggering two beeps. "If the machine beeps loudly and someone has their arms wrapped around the machine, the poll workers are going to...
