Workers paid by a liberal group to register voters in Franklin County have turned in more than 500 forms with nonexistent addresses and potentially fake signatures, elections officials said yesterday. Board of Elections Director Matthew Damschroder said he has forwarded the cards to county authorities for possible criminal charges. Elections workers verifying new-voter forms discovered signatures with the same handwriting, addresses that were for vacant lots and incorrect information for voters who already were registered, Damschroder said. One card had the name of an East Side man who’s dead. All the questionable cards were turned in by workers for Ohio...