Not that many (from experience on parliamentary based bodies) it probably takes a couple of years or one full election cycle to know how the system works so you

Not that many (from experience on parliamentary based bodies) it probably takes a couple of years or one full election cycle to know how the system works so you will continually have a poorly trained set of senators/congressmen. Having a max age limit make more sense or remove the seniority rules used to appoint key committee chairs. They key thing would be strict maximum $ limits for elections and give candidates free time on the tv networks.