It is not clear what your your question is about. But I guess that you mean the motion picture which name is Mr. Smith Goes to Washington. So I am completely sure that this question should be answered like this: Senator Paine has managed to stay in office for 30 years, because he compromises and takes the advice from Jim Taylor.
Answer:
I'm going to say B.Jodie Foster, please let me know if I am wrong :)
