The Vicious Circle had the Algonquin Roundtable, "Friends" had The Perk, and the "Cheers" gang had their beloved bar. And backpackers? Backpackers have The Campfire. Now, non-campers generally believe the purpose of the campfire is to keep warm, maybe cook food. But backpackers know otherwise. Yes, a good fire helps us stay awake past 6 o'clock on a winter trip. But it's also the nexus of conversation, of talk about anything, and everything and nothing. "Seinfeld" gone wild, if you will.This ...