Obama cancels public speech in Rio square: embassy http://www.activistpost.com/2011/03/obama-cancels-public-speech-in-rio.html

President Barack Obama has cancelled a public speech he was scheduled to deliver Sunday in a Rio square during his upcoming visit to Brazil, the US embassy in Brasilia said.The speech in the historic plaza known as Cinelandia, in the heart of Rio de Janeiro, "is cancelled," an embassy spokeswoman told AFP.No explanation for the change of venue was given by the embassy. 

[the reason why it was canceled is because large demonstrations against obama are taking place ..see ''group detained arrested and pepper sprayed  while protetsinga gainst obama visit,th protestors,threw rocks at american consulate!!!!>Grupo é detido em protesto contra visita de Obama  http://www.clicrbs.com.br/especial/rs/obamanobrasil/19,0,3245113,Grupo-e-detido-em-protesto-contra-visita-de-Obama-no-Rio-de-Janeiro.html 

anti obama protestors in Rio throw molotov cocktails!!! Protesto no Rio contra visita de Obama tem coquetel molotov http://ultimosegundo.ig.com.br/visitaobama/protesto+no+rio+contra+visita+de+obama+tem+coquetel+molotov/n1238180343786.html

VIDEO OF PROTESTORS  MAKING BARRICADES AGAINST OBAMA IN RIOD E JANEIRO!!! Manifestantes fazem protesto no Rio de Janeiro contra a visita do Barac obama http://www.youtube.com/watch?v=6v9l-jB5gkM