News: World Today in History March 10 March 10, 2013 | Modified: March 10, 2013 at 10:31 am Leave a comment Alexander Graham Bell successfully tests telephone; James Earl Ray pleads guilty to killing Martin Luther King, Jr.; Russian Premier Konstantin U. Chernenko dies. (March 10) This video contains ONLY natural sound. No script is available. Sign Up for the Daily E-dition newsletter! Please enter your email address below to begin receiving the Daily E-dition newsletter. You must enter a valid email address in the field above! Thank you for signing up for the Daily E-dition newsletter! You should receive your first newsletter very soon. We're sorry, there was an error processing your newsletter signup. Please click here to visit our Newsletter Signup Center to register for this newsletter.