Here's some background on Cesar Gaviria in Venezuela as well as a HWR while he was president of Colombia:
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... Gaviria, secretary-general of the Organization of American States (OAS), has just squandered whatever credibility the organization tenuously had as mediator in the Venezuelan conflict. He should leave Caracas immediately – where he has become a destabilizing force against democracy and constitutional rule – and cease posing as a “mediator” of a power-struggle in which he is, now transparently, a partisan player.
On the very same day – Monday, December 9th – that the permanent council of the Organization of American States (OAS), representing all nations in América, stated that “all the countries of the hemisphere ratify unanimously our support for Venezuelan democracy,” the OAS chairman, in Caracas, showed his contempt for that same Venezuelan democracy and the right of public assembly.
According to the French Press Agency (AFP), Gaviria “condemned” peaceful demonstrations by the Venezuelan people outside of pro-coup TV stations Globovision, Venevision, and other commercial media corporations. The “news coverage” of those media companies in recent days has been at extreme levels of simulation and dishonesty even for them: the people have had enough. Terming the popular assemblies as “acts of intimidation” against a “free press,” Gaviria called upon the Chávez government to use repression against the demonstrators.
“The secretary general of the OAS is deeply worried about the acts of intimidation against the installations of some of the principal media of the country such as Radio Caracas Television, the De Armas Group, Venevision and Globovision,” Gaviria stated through an OAS press release from the posh Melia Hotel in Downtown Caracas, according to AFP.
http://www.narconews.com/Issue26/article558.html
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On November 8, 1992, Colombian President César Gaviria Trujillo declared a "state of internal commotion," invoking provisions of the Colombian Constitution empowering him to adopt emergency measures in the event of "serious disruption of the public order imminently threatening institutional stability, the security of the state, or the peaceful coexistence of the citizenry." 1 A series of emergency decrees restricted civil liberties, granted additional powers to the military, and punished contact or dialogue with insurgent groups. The decrees marked a reversion to authoritarian patterns of rule supposedly left behind with the passage of the 1991 Constitution. 2
http://www.hrw.org/reports/1993/colombia/stateintro.htm