Return to a removed view controller

Programmer Question

Here is the situation, I have a login page as the initial rootView of a tab bar. Once the login process is done, the view is removed from the navigation controller, so you don't navigate back to it. I have places in the app where you can logout. The logout process works fine, but when I try to forward the user back to the initial login view (the one we removed) from inside the same tab bar item, I can't seem to reset the view controller stack to contain only the desired element. Is this a question of where I am changing the view? It just doesn't seem to remove the current view. I have tried alot of stuff, popto, popview, and many others, and nothing seems to work properly. Has anyone had to deal with this?

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