The house and senate are dysfunctional due to political posturing by career politicians. They do it because they are constantly thinking about the next election and not just what the country needs.
Both Jefferson and George Mason advised limits on reelection to the Senate and to the Presidency, because said Mason, "nothing is so essential to the preservation of a Republican government as a periodic rotation."
We have a term limit on the Presidency. Now it is time to set it up on Congress too.