bmore writes: Dave Winer is known for being outspoken, but some think he has recently taken it too far. The first incident occurred publicly at Gnomedex when Winer openly heckled Jason Calicanis during a presentation about Mahalo. Wired reports that this feud led to Winer's resignation form the TechCrunch20 conference. Winer's second recent feud happened when he turned the name of a student that heckled him into a domain name. In light of Winer's recent actions I think it is time to ask how far conference attendees in general can go. It also brings the idea that participants should be able to question speakers back to the forefront.