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Whistle Blowers

Linda Tripp meets with reporters outside federal court in Washington Wednesday July 29,1 998 after her final appearence before a grand jury investigating an alleged affair between President Clinton and Monica Lewinsky. From left are, attorney Anthony Zaccagnine, her daughter Allison, spokesman Phil Coughter and attorney Joe Murtha. (AP Photo/Khue Bui)

The Whistleblowers

By Claudine Zap

Edward Snowden publicly acknowledged he is the intelligence contractor who leaked documents from the National Security Agency's surveillance programs. He is one of a long line of whistleblowers. Here are some of the best known.