Are you planning to study that in the US or in Belgium? For the record I graduated this year. I was still part of the old system (I'm a licentiaat in de rechten), and I'm not really familiar with the BaMa reform, but I guess the system didn't change that much.
You're indeed looking at a lot of ex cathedra tought courses (especially in Belgium). I found it interesting to follow (well, part of it) but quite boring to study, because it's all theory (again, especially in Belgium. German uni's tend to work a lot more with cases).
With your studies (at least the history part), I guess you should be able to cut one year off, through a number of vrijstellingen, like in History of the Belgian institutions, sociology, philosophy, ...