http://store.westlaw.com/chehs-sum-substance-audio-on-constitutional-law-7th-cd/140031/40603270/productdetail

Description

This audio set provides a succinct, expert overview of fundamental concepts of constitutional law.

NOTE - This series walks through the basic function of every aspect of the US Constitution. TPB doesn't allow enough room to list all the tracks here, but a click on the file list above will tell you everything you need to know.
 
http://en.wikipedia.org/wiki/United_States_Constitution