‘Porgy and Bess’ With a White Cast Stirs Controversy. Opera, Porgy and Bess (Opera), Race and Ethnicity, Gershwin, George, Budapest (Hungary), Immigration and Emigration, Refugees and Displaced Persons, Blacks, Black People, Hungarian State Opera, Gershwin, Ira, Okovacs, Szilvester, Almasi-Toth, Andras