Tom Coburn thinks he’s found one. The Oklahoma Senator has been touting a new report he commissioned from the Government Accountability Office (GAO), which found that the federal government could save piles and piles of money simply by eliminating or downsizing duplicative and overlapping programs. So how much could actually be saved? Well, that’s the tricky part. The GAO report doesn’t have a firm bottom line. But Coburn claimed that there’s at least$100 billion in there...