Best Cocktails in New Haven

Tempting as it may be to pun on the title, let's all try to act like grownups here. At least for the first two responses. So: where are the best cocktails in New Haven? I've spent some time lurking around the bar at the Study, and I've wandered into Union League Cafe, but the ULC is ahead on company sitting at the bar. That may just have been a quirk, though.
Where do you go to strike up a conversation with a stranger?
Yale