In the past, if Bruno Kirchenwitz wanted to see his name in print or vent about U.S. immigration policy, he would write letters to local newspapers about "illegal hordes" and stemming "the tide that threatens our sovereignty." Today, the former 7-Eleven clerk who was fired from his job after a shooting at the Basalt store has become a minor celebrity in local and regional media and a full-fledged poster child on conservative Internet Web sites dedicated to immigration reform. "I'm kind of like the kid that's gotten a thousand presents for Christmas," he said of the recent media attention. "I've...