In this Tuesday, June 25, 2013 photo, Adela Cavalcante talks to her children, Maria,15, left, and Antonio, 10, as they do their homework in the Rio de Janeiro suburb of Iraja, Brazil. T

 

              In this Tuesday, June 25, 2013 photo, Adela Cavalcante talks to her children, Maria,15, left, and Antonio, 10, as they do their homework in the Rio de Janeiro suburb of Iraja, Brazil. T
In this Tuesday, June 25, 2013 photo, Adela Cavalcante talks to her children, Maria,15, left, and Antonio, 10, as they do their homework in the Rio de Janeiro suburb of Iraja, Brazil. There are months when the generous family income can't be stretched to cover their basic expenses, which include not only the ever-rising cost of food, transport and electricity, but also expensive private alternatives to Brazil's poor public schools and health services. (AP Photo/Nicolas Tanner)