Lawmaker uncovers total of at least $220M in unpaid bills
                                
                                
                                    (Newser) -
                                    At least 13 of the firms that got billions of dollars from the federal government owe back taxes, and their tab exceeds $220 million, Rep. John Lewis said today. What's more, that could be just the tip of the iceberg, the AP reports. The House Ways and Means subcommittee, which...