Brazil and Mexico have summoned the US ambassadors to the two countries to ask for an explanation of a report on Brazilian TV yesterday that NSA evesdropped on the private communications of the two countries presidents. Phone calls, emails and text messages were involved, according to Fantastico, which said the report was based on Snowden documents from Glenn Greenwald. Both countries have expressed outrage if the report is true. CNN has not been able to confirm the report. Brazil has given Ambassador Thomas Shannon a week to.