TOLEDO, Ohio - With John McCain and Barack Obama already swapping accusations of widespread voter fraud, experts warn that a bitter and protracted fight could ensue if the race to the White House is decided by a narrow margin.
![[US voters lining up to register in January 2008. With John McCain and Barack Obama already swapping accusations of widespread voter fraud, experts warn that a bitter and protracted fight could ensue if the race to the White House is decided by a narrow margin. (AFP/File/Ryan Hanson)]](/image_cache/klippety/512/1C5B6D09-397D-42A5-A276-D844530A6C45.jpg)
Compounding the problem is the decentralized US electoral system, which hands often partisan local officials the power to make rules and maintain the voter registration rolls.
"I'm hoping it's not close," said Richard L. Hasen, a professor who specializes in election law at Loyola Law School in Los Angeles.
"I am certain there will be problems on election day."