The truth is, it really does not matter. There is really no such thing as "Pre Law". An art major with a good GPA and LSAT can get accepted to law school.
So, my advice to you is to study the area you feel the most passionate about and most interested in. Higher education is not a trade school, where you prepare for a specific task. Become an educated person and enjoy your major area. Worry about your post-degree life when the time comes