Lets put an end to career politicians

If there are term limits on the presidency why aren't there term limits in congress?

Its sad to say that congress has a glut of career politicians. These people do not really serve the interests of the their constituents and are more focused on serving special interest groups. I am advocated term limits on senate seats and congressenional seats as well. Clearly the system is being corrupted by people who are so entrenched that it is difficult to remove them.
Seraph