Brazil's former President Luiz Inacio Lula da Silva delivers a speech during a May Day rally in Sao Paulo, Brazil, Friday, May 1, 2015. Left-wing groups, governments and trade unions were staging ... more 
Brazil's former President Luiz Inacio Lula da Silva delivers a speech during a May Day rally in Sao Paulo, Brazil, Friday, May 1, 2015. Left-wing groups, governments and trade unions were staging rallies around the world Friday to mark International Workers Day, also known as May Day. (AP Photo/Andre Penner) less 
1 / 30
Associated Press | Photo By Andre Penner
Fri, May 1, 2015 3:24 PM EDT