Politicians must change

It is very difficult to teach or change politicians immediately. Persons in higher beta wave state can never accept any advice. They are in that attitude for a very long time.So the only way to correct them is to tighten the rules. Janlokpal is such a weapon to counter their corruption activities.
Some other mechanisms must be thought of to contain their behavioral attitude also. In our democratic system we have to live with and tolerate politicians. People with values never have the attitude to enter politics.