A bill to allow automatic voter registration in New York failed in the final days of the legislative session, after a mistake in the language would have inadvertently allowed undocumented immigrants to vote. Sponsors said it was an honest mistake, but it caused concern among Republicans in the state Legislature and earned Democrats a chiding from Gov. Andrew Cuomo. The measure would make registering to vote an opt-out, rather than an opt-in, process. So when New Yorkers go to the Department of