A demonstrator, wearing a mask in the likeness of Brazil's President Dilma Rousseff, sits in the driver's seat of a bus during a protest in front of the Planalto presidential palace in

 

              A demonstrator, wearing a mask in the likeness of Brazil
A demonstrator, wearing a mask in the likeness of Brazil's President Dilma Rousseff, sits in the driver's seat of a bus during a protest in front of the Planalto presidential palace in Brasilia, Brazil, Thursday, July 11, 2013. Workers across Brazil walked off their jobs on Thursday in a peaceful nationwide strike demanding better working conditions and improved public services. Metalworkers, transportation and construction workers as well as teachers and civil servants adhered to the "Day of Struggle" organized by Brazil's biggest trade union federations. (AP Photo/Eraldo Peres)