Chevron has posted a series of grainy videos on YouTube in an attempt to corrupt the trial proceedings where the company faces a $27 billion liability for environmental damage, representatives of the indigenous communities in Ecuador charged Tuesday. Representatives of the communities in Ecuador called for the U.S. Department of Justice and Ecuador's Attorney General to jointly investigate Chevron for its apparent role in working with an individual who tried to bribe government officials in Ecuador, said Pablo Fajardo, the lawyer for the Amazonian communities…After carefully reviewing the videos and transcripts of the videos released by Chevron, lawyers for the plaintiffs said Chevron's hidden cameras produced "not even a scintilla of evidence" that the judge was involved in bribes…