These people are never consistent in their logic. When they say White, they usually mean full blood European Americans, but there are hardly any 'White' Americans that fit that bill exclusively. Many are a mix of several different European varieties, and some claim, probably erroneously, that they have Native American blood. What's more, many Latinos are mixed blood, being descended from Spanish ancestors. And if you really want to throw a wrench in the works, anyone descended from the peoples of the Caucuses region is white by definition, hence how we derive the term Caucasian. However, you'll never get one of these racist morons to admit they have any kinship with a Mexican or an Iranian...