John O'Connor didn't set out for the Tea Party rally intending to expose Champaign Mayor Jerry Schweighart as a Birther. Honest. The grad student at the U of I Center for Writing Studies was hoping to get some insight into the movement for his research into web-mediated political discourse, and was collecting video for that purpose. "It started that I walked up and introduced myself, and he politely said, 'How are you doing?'" O'Connor said in a phone interview with Joel Gillespie yesterday.