Mo Rocca looks back at one of Broadway's greatest songwriting teams, Richard Rodgers and Oscar Hammerstein II, who created such classic shows as "Oklahoma!," "South Pacific," "The King and I" and "The Sound of Music." He also talks with Tony Award-winner Kelli O'Hara, today's most celebrated interpreter of Rodgers & Hammerstein. (This story was originally broadcast on June 10, 2018.)
