“Arts-minded visitors to the Berkshire Hills in western Massachusetts may think of Pittsfield as little more than an urban speed bump on the way to Stockbridge, Williamstown and the glories of Tanglewood and Jacob’s Pillow. But the city is betting that, with the help of a long-neglected jewel of a theater, it too can make a place for itself on the region’s arts map. After a two-year, $22 million restoration, the century-old Colonial Theater will reopen tonight for a year-round season that kicks off with a week’s visit by a touring company of ‘Rent.'”