How should you react when you're entertaining guests at a restaurant and a guest orders a $700 bottle of wine? WSJ's Lettie Teague has the answer. She joins Lunch Break with Tanya Rivero with tips on that and other wine etiquette. Photo: iStock Subscribe to the WSJ channel here: http://bit.ly/14Q81Xy More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com Follow … [Read more...] about Wine Etiquette: Do’s and Don’ts