1. To speak to a person or to others in a forceful or angry way: As a liberal talk-show host, he is constantly haranguing Republicans or conservatives with his psycho-talk.
2. To criticize or to question someone, or to try to persuade someone to do something in a forceful angry way: The politician harangued voters for their failure to support the economic stimulus plan.

It seems that some government legislators never tire of haranguing their fellow members either for support of their particular bills or to denounce the opposition for not giving their approval.