Wherever there is corruption or conflict of interest in politics, there is usually a trail of cash leading to the culprits. It is especially disturbing when the figures involved who are trampling all over the Constitution are those charged with protecting our freedom.
Receiving campaign contributions from companies you are responsible for overseeing should is a clear conflict of interest and should be illegal. When intelligence committe members receive cash from intel companies it is more akin to a bribe than a donation.
Maplight says every single member of the House Permanent Select Committee on Intelligence and the Senate Select Committee on Intelligence, the committees in charge of oversight of intelligence programs, received campaign contributions from the top twenty largest intelligence companies.