Jill Goldsmith Co-Business EditorAMC Entertainment will resume operations at a dozen theaters in New York State October 23 in accordance with Gov. Andrew Cuomo’s recent, welcome reopening announcement over the weekend that, however, still excluded New York City and a handful of other counties.NY is “vital to the theatrical exhibition industry,” the world’s largest chain said Monday.With the reopening of New York, AMC will be operational in 44 of the 45 states where it has theatres.