While bankruptcy is almost always the end of the line for common-equity shareholders, sometimes the companies themselves re-emerge with a new lease on life. Although airlines seem to habitually dip in and out of bankruptcy, other companies in fields such as telecommunications, retail, and power generation have made something of themselves on the other side of Chapter 11. On which side of the fence will independent power producer Mirant (NYSE: MIR - News) find itself? Having spent nearly three years in bankruptcy, the company emerged 70 days ago with a cleaner balance sheet and, hopefully, a better operating plan. Because...