A telephone survey seeking opinions about the expansion of I-70 through east Denver is generating irate protests from some respondents, who say the survey seems designed to elicit positive responses about the purported benefits of the $1.8 billion project."It was one of the most one-sided push polls I ever listened to," Larry Patchett, a production technician for public television, wrote in a complaint to CDOT. "The entire thing was just a series of opportunities to validate your suppositions and PR spin on the I-70 Ditch project." The project, which would replace a crumbling six-lane viaduct with a below-grade, partially covered...