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The only thing that will be shocking is if Congress does anything about this. They have an unbroken track record of declining to assert their instutional power and role regarding these matters. Is anyone surprised that the Bush intelligence apparatus was up to much more than we were led to believe? If you are, go read Glenn Greenwald's archives for the last several years.
As long as public apathy about these abuses continues, nothing will ever be done. Politicians respond to the voters.