Three Weeks Before Califor-nia was set to vote on Governor Gray Davis' recall, a federal appeals court postponed the election because of worries about flawed punch-card voting systems. The technology that could replace it may not be any better. Touch-screen voting systems, which look like automated teller machines, are easy to use, but they make recounts next to impossible梑ecause, unlike ATMs, they produce no independent paper trail. That worries experts who insist they can be hacked, just like any computer. "It's very, very hard to make these machines secure," says David Dill, a computer science professor at Stanford who has studied computer voting.
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