Highlights of this day in history: Nazi Germany and Fascist Italy sign the 'Pact of Steel'; Richard Nixon is the first U.S. president to visit the Soviet Union; Actor Laurence Olivier born; Johnny ... more 
Highlights of this day in history: Nazi Germany and Fascist Italy sign the 'Pact of Steel'; Richard Nixon is the first U.S. president to visit the Soviet Union; Actor Laurence Olivier born; Johnny Carson hosts his last 'Tonight Show.' (May 22) less 
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Wed, May 22, 2013 12:20 AM EDT