Why barbs make very good tanks and how to "fix it"
I am going to break this wall of text up into parts so if you are going to reply, please wait till last post.
This post is directly related to tanking builds, ac at higher levels and variation within different modes, casual, normal, hard, elite and epic.
First this is not a request to nerf Barberians, they are the premier sustained dps build.
It is a look at why Barberians are often the choice for tanking elite bosses.