A racist Taco Bell employee was fired after he referred an Asian American customer as "Chink."Taco Bell Corp. on Tuesday said that the Center City, Philadelphia cashier who referred to a customer as "Steve Chink" on a receipt no longer works for the fast food chain.It's 2018 -- surely these multi-million point-of-sale systems can filter out every variation of racial or sexist insult. Maybe these fast food places should look into it.