In Houston, oil workers may face the ax but employment still grows

By Howard Schneider BAYTOWN, Texas (Reuters) - Plunging energy prices robbed the Texas economy of an estimated 60,000 jobs last year, as oil and gas companies put the brakes on production and slashed investment, throwing engineers and geologists out of work. Exxon Mobil Corp and Chevron Corp are building mammoth chemical crackers to process polyethylene from natural gas, and logistics firms have created millions of new square feet of warehouse space as they plan to ship the output to the global