Congress is widely viewed as ineffective and far removed from the lives of everyday Americans. This can be remedied by limiting Congressional Terms to three in the House, and two in the Senate.
Politics is meant to be a service to the people, not a lifelong career. Politics has become more and more professionalized over the years. Because of this, it is near impossible for representatives to understand what their people want/need. In 1995 Edward H. Crane, formerly of the Cato institute, made a compelling argument as to why term limits as essential to achieving a proper representation of the people. I urge to to read his article if you need more information.