Small business owners businesses are expressing slightly more optimism about expectations for 2013 and less concern about current business conditions, according to a recent national Wells Fargo/Gallup Small Business Index survey. After optimism dropped 28 points late last year following the presidential election, the Wells Fargo Small Business Index rebounded by 20 points in early January. The most recent report shows the present situation series rising 8 points to -2 and the future expectations…