Fred Risser, president of the Wisconsin Senate, has served for 50 years -- longer than any other state legislator in the country.

You can learn about how things have changed, how he has stuck to his liberal guns as things have changed around him (he views political power "in geologic terms") and how he has mastered rules and procedures in this Christian Science Monitor profile.

I was alerted to this story by a relatively new service of NCSL, its state news aggregating page Grasscatcher.