A graduate school paper written by Senator John Walsh (D-MT) is coming back to haunt him during a tough election campaign. The Army War College is investigating evidence uncovered by the New York Times, suggesting that Sen. Walsh is a plagiarist. Dana Bash takes an in depth look at the case.
New York Times reporter Jonathan Martin broke this story and spoke with Anderson and Dana Bash. He describes confronting Senator Walsh with his evidence.
Anderson Cooper goes beyond the headlines to tell stories from many points of view, so you can make up your own mind about the news. Tune in weeknights at 8 and 10 ET on CNN.
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