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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Take a look back at some of the more memorable casting changes in the history of television.