Not Just for Musical Theater Nerds by BringMoreLegos

Question 1

Oscar Hammerstein II is best known for his collaborations with Richard Rodgers, including 1949's South Pacific. But he had a prolific career long before meeting Rodgers, most notably a collaboration with Jerome Kern that yielded 1927's Show Boat. WHAT ONCE TABOO CIRCUMSTANCE, declared lawful in a Supreme Court case you may have seen dramatized recently, is central to romantic plots in both of those shows?