Photo of White Cowbell Oklahoma at last year's festival from Word Freak What comes from twenty-five different countries, takes over fifty hoppin' clubs, twelve lush city parks, two airport terminals, an island, a subway station, a central city square and a city hall in just three days? No, it's not a virus with the half-life of thirty seconds. Fear not; it isn't a swarm of blood-thirsty, West-Nile-carrying mosquitoes. We'll give you a hint: it's......