This story was originally published on Trucking Dive. To receive daily news and insights, subscribe to our free daily Trucking Dive newsletter. Dive Brief: Spot rates have softened since the Fourth of July, but Werner Enterprises executives see room for improvement as tightening enforcement removes more drivers and trucks from the market, according to its Oct. 30 earnings call.  Chairman and CEO Derek Leathers believes the pace of exits will quicken given the stricter enforcement of federal policy for E ...