About six months ago, I ran across a position paper that Barack Obama wrote while a state senator in IL advocating the banning of all semi-automatic guns (be they rifles, shotguns, or handguns). It has since been removed--strangely about the same time he refused to make public any papers he had from the Illinois Senate.
This page has a summary of his view:
http://www.issues2000.org/Domestic/B...un_Control.htm