Detroit is a showcase for the liberal agenda — and now it is bankrupt. More than 50 years of control by big-government liberals and union bosses have left a once-great American city crippled and deteriorating. Last week Detroit became the largest city in American history to declare bankruptcy. Few were surprised, as the city’s been struggling for years. The unemployment rate in Detroit is 16 percent, more than twice the national average. The city’s government-run schools have failed, with just 7 percent of eighth graders proficient in reading. It takes police about an hour to respond to calls, and...