The first question they will ask is "tell me a little bit about yourself". DO NOT answer like this:
"Well I was born at Southdale Hospital at..".
Answer with:
1. Who you are
2. Where you go to school
3. What you hope to achieve in that position
Also
look at them in the eye
breathe in a long deep breathe
and do it
Make eye contact.
Dress as formal as you can (don't go in a t-shirt and shorts). look professional.
A good solid handshake tells alot about a person. Caution, don't be giving this dude some noodle.
I hope you get the job since Minnesota is a great place to work.