It's additionally timely since, over the weekend, former President Barack Obama posted a tweet which Twitter stats show to be the Most-Liked Tweet ever. Mr. Obama quoted Nelson Mandela, saying -- "No one is born hating another person because of the color of his skin or his background or his religion..."
This video looks like it comes from around 1950. It's a little featurette, probably made for movie theaters, on behalf of the National Conference of Christians & Jews, for National Brotherhood Week. Hammerstein introduces the song, and explains its important within the show he and Rodgers wrote, South Pacific. And then with Rodgers at the piano, Hammerstein introduces William Tabbert who sang the song, "Carefully Taught," in the original production.