announced it would open its doors to provide and accept absentee ballots today. but so many voters showed up that election officials were over well md and shut their doors. the democratic party sued to extend early voting after some voters were stuck in lines for hours trying to meet yesterday's deadline. >> what is it, five hours now? >> election officials are waiting for lots of potential problems on tuesday, especially in the key battleground states. in ohio, experts say that because of confusion or renewed absentee 200,000 voters maybe to cast provisional ballots that won't be counted until ten days after election day. >> there is a real chance that we will not know which candidate won the election in ohio. >> we're now at the point in this presidential campaign with the case being made by each of the candidates about why you should vote for them is sort of