Shaeffer's skepticism, he said, comes in large part because no one has been able to claim a smoking gun image or video of alien life despite a culture in which so many people have cell-phone cameras or handheld video cameras -- not to mention the explosion of YouTube and advanced photoshopping capabilities for would-be hoaxers.
Of course, it doesn't surprise Peckman in the least that not everyone believes in his cause. "You're going to find some detractors for every single phenomenon in history," he said. "They just don't accept the reality, and we're not going to try to convince them."
Plus, he said, he fully expects to get the 4,000 signatures he needs and put the initiative to the people of Denver. "Things at this level," Peckman said, "are best handled by direct democracy."