Submitted: Jun 28, 2008 - Barack Obama's campaign for president went to the neighborhood level tonight. About 15 people turned out at the Military Retiree's Club in North Side for what was billed as an "Old Fashioned Back Yard Fence Chat" about the 2008 presidential elections. The intentionally small gathering is part of about 4,000 "unite for change" meetings across the country organized by the Obama campaign, according…