I'm a beginner is about to argue a welfare statist/liberal/socialist/obama lover

Welcome to the Mises Forum! Be sure to check the newbie thread for forum tips and how-tos.

As Clayton said, I probably have you covered, but I’m not sure why he picked that particular post (that one contains resources on difference between Austrian School and Chicago School). For your purposes, you might start with these:

One Book for Capitalism

Getting started in the Austrian School

Guides and Knowledge for your Intellectual Journey

Reading lists