I'm almost done with my BS in Political Science. My thoughts:
*Working in Politics: If you're smart, you've been doing some internships, or building that resume through college. A 20 something with some drive right out of college can snag a decent campaign type job locally or statewide. The good news is, advancement is quick. Turnover for these jobs is really high, because entry level pay sucks, there's a lot of pressure, and you work long hours.
*Teaching-will requite you go back to get a masters, or go into a private school, where you won't make any money.
*Graduate School. If you're done research, like research, or like writing papers, then this is an option. With a Grad degree, you can work in a think tank, or do public administration
*Go into business.
*Start a Company
*Get your lobbying license.
Conclusion: If you want to make money, you're going to need another degree.