One of the more common misconceptions about the wine world has to do with sulfites and sulfite allergies. Lots of people claim to be allergic to red wine and blame sulfites as the cause, but there are other factors at work. In this week's "Uncorked" column, OnMilwaukee.com wine expert Nathaniel Bauer explores the myths and mystery of sulfites in wine and offers some hints for people who want to enjoy a glass of red without the headache.