It’s ethnic discrimination to force Big Apple pizzerias and matzah-makers to cut the smoky pollutants from their wood- and coal-fired ovens, according to a new bill sponsored by a state lawmaker. Assemblyman Sam Pirozzolo (R-Staten Island) told the Post that his proposed law would exempt businesses — some of them legendary local establishments — from a controversial city green edict that orders them to reduce such emissions by 75%. “I’m trying to stop discrimination against ethnic restaurants. These misguided laws go against businesses that cook ethnic cuisine,” Pirozzolo said. “A cop just got killed. People are getting thrown in front...