Oneday you walk into a store to buy something with your U.S dollars and they look at you and won't accept it. This is getting Scary... WASHINGTON (AP) -- Things in the U.S. sure are tough. Brother, can you spare a euro? Signs saying "We accept euros" are cropping up in the windows of some Manhattan retailers. The National Debt has continued to increase an average of $1.67 billion per day since September 28, 2007!