Here’s how good Cameron Hughes is at selling wine online: if you let this article sit overnight, by tomorrow he will have sold three more pallets of wine on his website, all to individual consumers. Not cases—pallets. Hughes sells 60,000 cases of wine per year on the Internet. That’s a huge number—20 percent of his overall sales—and must be tantalizing to wineries that find themselves constantly pushing their distributors for attention. Hughes got his start i...