As America marks the one-year anniversary of the Boston Marathon bombings, look back at the history of terrorist attacks on home soil.
Tuesday marks the one-year anniversary of the Boston Marathon bombings. While such terrorist attacks are more common overseas, there is a history of other attacks on American soil.
The following five celebrity urban legends will likely live on long into the future, despite the fact that none of them is remotely true.
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From Mrs. Krabappel on "The Simpsons" to Mr. Kotter from "Welcome Back Kotter," check out some of the most memorable TV teachers.