SALUMI TEARS: Cathy Pavlos, chef-owner of LUCCA in Irvine, made some visiting Italian chefs cry. After they enjoyed a platter of glorious salumi, she told them it was American-made. They didn’t believe her. She brought out the proof. Two of them wept. Salt-curing and air-drying meats and sausages is a centuries-old artisanal tradition in Italy. But … American artisanal salumi…