The United States Senate is the tightest major criminal organization in the history of the world. The Cosa Nostra’s code of Omerta is more of a flexible guideline than the code held by the Senate to protect their members, present and past.
The most hated Senator is held in greater esteem by the other members of the Senate than their own most beloved family members or the security of the nation.
There is always one or a group of ones that have the goods on the others