How can I filter by category?

Hi –

I made categories states because questions are state specific. Is there a way to filter by state? When I go to the category nothing shows up..

http://educationlawyers.com/questions/state/pennsylvania/

posts: http://educationlawyers.com/education-law-forum/

http://educationlawyers.com/ask (you can see categories have been changed to states)

Thanks!