CNN Newsroom -- May 1 Lou Dobbs: You have up on the title there, Immigration Nation, right? The fact of the matter is, I don't know what that means. Immigration nation. First we are a nation of laws. We're built on immigrants, but lawful immigrants. Ed Lavandera ... went on to refer to illegal aliens as immigrants, as if there is no distinction in our reporting as mainstream media between legal, lawful immigrants and illegal aliens... Mainstream media taking on what is effectively an agenda. Watch