General Motors Co. said Monday it will halt production at five plants in the United States and Canada, while cutting about 15 percent of its salaried employees in North America in a bid to trim costs amid slowing sales.All of the plants -- three assembly plants and two transmission plants -- will stop production next year. The planned job cuts will include 25 percent of its executives so as to streamline decision-making."These actions will increase the long-term profit and cash generation potential of the company and improve resilience through the cycle," GM Chairwoman and CEO Mary Barra sa…READ FULL ARTICLE