[CGTRWK]

The collective age of the U.S. Congress is one of the oldest in history because voters want seniority ...

No, it is one of the oldest in history because incumbents are protected like never before. Over the past four election cycles, congressional incumbents have lost 4% of their races.

[Rummyfan]

They are all residents of Incumbistan! It's almost impossible to get bums out now, especially in the Senate.