With Texas Gov. Rick Perry sending National Guard troops to the border, look back at the tumultuous history of immigation in America.
1795 -- The Naturalization Act restricts U.S. citizenship to "free white persons" who live in America for at least five years and renounce their allegiance to their former country.
The following five celebrity urban legends will likely live on long into the future, despite the fact that none of them is remotely true.
Warner Bros. Television
From Mrs. Krabappel on "The Simpsons" to Mr. Kotter from "Welcome Back Kotter," check out some of the most memorable TV teachers.