Just so you know, the "you should be a lawyer because you like to argue" thing is a very big misconception of the law field. Most lawyers are not Johnny Cochrans. The biggest skill you need in the law profession is writing. If you can't write, you shouldn't be a lawyer. That's why my major is English/Journalism. A lot of people get into Political Science, but that's not necessary if you're not into politics. Anyway, there's a program I took this summer that was AMAZING and it really helped me a lot with giving me a taste of law school. Here's the website:
http://www.law.fsu.edu/summer_undergraduates/index.php
ETA: You don't have to be an ethnic minority. There were many who weren't.