Brazil to Probe US Spying: Calls for Protection of Greenwald and MirandaPaul Lawrance Lawmakers are calling for the federal protection of Guardian journalist Glenn Greenwald and his partner David Miranda for the important role they are to play in the investigation. On Sunday, Greenwald put forth the concerning allegations on the Brazilian news program Fantstico, where he displayed documents leaked by NSA whistleblower Edward Snowden that showed a chart mapping Dilma Rousseffs communications patterns. One of the documents also exposed passages of written messages sent by Mexican president Enrique Pena Nieto, who was still a candidate at the time. The allegations may be a retaliatory response to the unlawful detainment of Brazilian national David Miranda, who was interrogated for nine hours under UK terrorism law at Londons Heathrow airport on August 18. Brazil had openly called the detainment unjustified and was described by Greenwald as anintimidation tactic aimed at journalists. The investigative period can be extended 180 days if the commission needs more time, reports Yahoo News. Senator Vanessa Graziotin, of the Communist Party of Brazil, said the intention of the probe was to protect Brazils sovereignty. Thursday, a Brazilian spokeswoman said Rousseffs October 23 visit to Washingtonwas cancelled. Though the spokeswoman did not explain why the trip was cancelled, it can obviously be explained by the reaction of the Brazilian Senate. The visit was intended to highlight the healthy economic relationship between the US and Brazil and was the only invitation extended by Obama this year. Paul Lawrance writes for Eyes Open Report where this first appeared. 