It’s one month and counting before the holiday festivities begin. What that means is that 1) you need to know the best places to meet up for a beverage, and 2) start training for the marathon of meet-ups on your social calendar.  Some hotel bars are just lobby lounges in disguise. Others, however, are the reason to stay in the hotel in the first place. From martini carts in London to jazz-soaked nights in New York, these iconic…