keywords: democrats republicans voters gop arizona
text: Democrats Signing Up More New Voters The Democrats appear to be gaining the upper hand in the battle to sign up new voters in the all-important swing states, an Associated Press analysis suggests.    The AP analysis of the most up-to-date figures from across the country found that the Democrats have registered more new voters than the Republicans have in Arizona, New Mexico, Nevada and New Hampshire, while the GOP has done better in Iowa and appears to be holding its own in Florida...