In Washington, the U.S. Senate takes the rare step of condemning one of its own, Joseph McCarthy, Republican of Wisconsin. McCarthy is censured for bringing the Senate into disrepute after his anti-communist crusade  adds his tactics come under fire.

1942At the University of Chicago, scientists demonstrate the world’s first artificially-created self-sustaining nuclear chain reaction. Their work is part of the Manhattan Project, the top secret of American-led effort to develop nuclear weapons during World War II.

2001One-time energy giant Enron files for Chapter 11 Protection in one of the largest corporate bankruptcies in U.S. history.

1993In Columbia, Pablo Escobar, one of the world’s most notorious drug lords is shot to death by security forces in Medellin.

And 1982In Salt Lake City, Barney Clark receives a permanent artificial heart in the first operation of its kind. Dr. Robert Jarvik is the inventor of the device implanted into Clark’s chest. I don't think it could be expected to go better.I should make to this. And did he have fears that he couldn't take on shoulders. Clark lives 112 days with the artificial heart after the operation at the University of Utah Medical Center.

Today in History, December 2nd, Ed Donahue, the Associated Press.