Jonathan Capehart fills in for Leonard Lopate. On today’s show: we’ll take a look at inequality in South Africa as the country marks the 20th anniversary of the fall of Apartheid and South Africa’s first free elections. Then, former U.S. Representative Barney Frank talks about his political career as the first openly gay congressman. The director of “Ida,” talks about the film. And this week’s Please Explain is all about drag!