THIS TIME OF YEAR, I WANT TO GO TO PARTIES. I love conviviality, but that’s not what I crave, because let’s face it, all winter people here are ready to get drunk and, once drunk, happy. I’m not wild for any particular holiday food. I like to sing off-key, sure, but that’s not the real draw either. What I really want is to get dressed up and go where other people are dressed up, too. And I don’t mean…