By | March 01 2013 9:31 PM

On a humid Thursday last April, hundreds of residents of Lake Jackson, a small town on the outskirts of Houston, jostled a college auditorium stage to catch a glimpse of Texas’ rip-roaring governor, Rick Perry. The governor was there to join Dow Chemical Co. (NYSE:DOW) Chairman and CEO Andrew N. Liveris in announcing the chemical giant’s plans for a $4 billion expansion of its operations in southeastern Texas, creating almost 5,000 jobs.