2012, you kept us busy.From chronicling the exploits of a perennially troubled ex-mayor to celebrating the historic season of one of baseball's greatest sluggers, Detroit's familiar faces found new ways to make headlines in 2012.It was a year of political battles. Detroiters and Michiganders alike embraced the power of protest on a number of big issues -- with questions about the state's role in struggling municipalities and school districts and right-to-work laws drawing the most attention.