By Kirk Miller With 163 exhibitors, nearly 4,000 attendees (from 55 countries) and an estimated 300,000 drinks and spirits samples poured, Bar Convent Brooklyn is an annual must-visit for people in the spirits industry and even curious imbibers who want to try something new or different. Along with old favorites, there were over 50 new products to try at this year’s BCB (and certainly more if you knew where to look or attended any of the official/unofficial events surrounding the two-day expo), which was held in mid-June in an industrial park called Industry City. On my annual Bar Convent visi…