A year after filing for bankruptcy, Detroit is building momentum to get out, especially after workers and retirees voted in favor of major pension changes just a few weeks before a judge holds a crucial trial that could end the largest public filing in U.S. history. FILE - In a May 30, 2014 file photo, Detroit emergency manager Kevyn Orr speaks with reporters after addressing the Mackinac Policy Conference on Mackinac Island, Mich.