Drink in the Details is a monthly column highlighting spirits and classic cocktails written by DC Craft Bartenders Guild members Adam Bernbach (Bar Pilar) and Chantal Tseng (Tabard Inn). Chantal’s sister once excused herself to the ladies room during the course of a long tasting menu at a nice restaurant. Turns out that she knew some kung fu breathing exercises that would help her expand her stomach so she could regain her appetite and continue…