WASHINGTON - Vladimir Putin (news - web sites), the former KGB officer at the helm of Russia's fitful democratic experiment, and George Bush (news - web sites), leader of the world's most powerful democracy, delivered dueling civics lessons Thursday on the principles of free societies. AP Photo Though cordial as they stood side by side, Bush and Putin addressed serious differences over what the West views as erosion of recent democratic freedoms in Russia. At a news conference following their lengthy meeting in Slovakia, the leaders at first highlighted agreements designed to counter the spread of both conventional and...