[gverri]

You are so wrong. This only show how you must improve your knowledge of Brazilian politics.

Not all parties were involved in some sort of corruption. And those who didn't are the ones having their flags burnt by protesters.

Lot's of activists from PSTU died protesting against big farmers violence against the indigenous. Activists from PSOL, PSTU, and other left wing parties have a LONG history of protesting. Just search google: Pinheirinhos, Belo Monte, União Homoafetiva, Marcha das Vadias, Marcha da Maconha. They were always there, fighting for what they believed was right.