I get so tired of those that say we here are guilty of discrimination. Well guess what, we are guilty. According to the dictionary! You see the word itself has more than one application. I choose this application:

discriminating - acute: having or demonstrating ability to recognize or draw fine distinctions; "an acute observer of politics and politicians"; "incisive comments"; "icy knifelike reasoning"; "as sharp and incisive as the stroke of a fang"; "penetrating insight"; "frequent penetrative observations"

So by knowing the difference between Illegal Aliens and Immigrants I have discriminated!