Have au pairs been exploited as a cheap source of labor?

Thousands of young people are admitted each year to the U.S. as cultural exchange participants through the J-1 visa program, often to work as live-in childcare providers known as au pairs. Now, a lawsuit lodged on behalf of 90,000 current and former au pairs alleges sponsor agencies are exploiting the program as a source for cheap migrant labor. NewsHour Weekend's Ivette Feliciano reports.