When General Motors announced it was cutting up to 14,000 jobs and idling five automotive plants, it justified the massive cuts by citing long-term savings. The cuts would free up $6 billion in cash, for a net savings of $4.5 billion in cash by 2020. The move will "make General Motors more agile, resilient and profitable" while the economy's still revving, CEO Mary Barra told investors Monday. Wall Street seemed to believe her, with GM's stock rising nearly 5 percent and one analyst on the call congratulating her "on getting in front of the curve here." But GM hasn't exactly...