"preventable," such as an incorrect precinct or missing signature. The rates of rejection vary widely across the states, with some states counting all or nearly all provisional ballots while others reject more than half. References External links "Provisional ballots could decide election" (The Cincinnati Enquirer) "KERRY WON OHIO - JUST COUNT THE BALLOTS AT THE BACK OF THE BUS" (by Greg Palast) "20 Crucial Electoral Votes May Be Stuck in Limbo" (Washington Post) Ballots Elections